A destructive plate boundary is formed. The Pacific Plate, which is thinner and denser, is subducted under the lighter Eurasian Plate into the asthenosphere, where it is melted and destroyed.
The Earth's upper mantle contains the ductile and mechanically feeble asthenosphere. It stretches as far as 700 kilometers beneath the lithosphere, between 80 and 200 km (50 and 120 mi) below the surface (430 mi). The asthenosphere's lower border, however, is not clearly defined.
Although the asthenosphere is nearly solid, its mechanical weakness is caused by a little amount of melting (less than 0.1% of the rock). The most significant source of magma on Earth is when the asthenosphere wells upwards because there is more extensive decompression melting there. It is the source of several magmas that erupted above subduction zones or in areas of continental rifting, including mid-ocean ridge basalt (MORB).
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What countries does the US rely on for goods?.
The United States imports more than half of its total volume of goods from five countries: China, Canada, Mexico, Japan, and Germany.
Why do countries import?Imports are made by nations for a variety of reasons. It is significant to emphasize that most nations lack complete self-sufficiency, and even if they did, doing so would be expensive and not in their economic best interests. Because of this, many nations opt to import commodities and services. First, nations import goods and services that are either necessary for their economic survival or extremely desirable to customers but unavailable on the domestic market. For many nations, this is exemplified by oil and natural gas. These nations rely on importing these fuels from other nations because they either lack the natural resources or do not produce enough oil to meet the demands and standards of living of their inhabitants. Some nations lack access to other common natural resources such coal, copper, nickel, and iron.
Other frequent imports include products or services that can be produced more affordably or effectively in other nations and are so offered at a cheaper cost. Although many nations have the capacity to make the items they choose to import, it is frequently in their best interests to import the goods at a lower price due to greater labor and pay expenses, higher material costs, or potential infrastructure and technical hurdles they may encounter. Consider what you are wearing. It's likely that it was produced elsewhere, thus instead of $45, the shirt probably only cost you $25. We could have produced it within acceptable quality standards and at a lesser cost in the nation from which we imported it.
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For males, life expectancy changed from 76.5 years in 2014 to 76.3 years in 2015—a decrease of 0.2 years, and for females, life expectancy decreased 0.1 year from 81.3 years in 2014 to 81.2 years in 2015.
The life expectancy of men decreased from 76.5 to 76.3 years, while that of women decreased from 81.3 to 81.2 years.
Black and white men's death rates increased by roughly 1% in 2015, while white women's death rates increased by 1.6 %.
According to him, a similar rise in mortality last occurred in 1993. We experienced a very horrible flu season, HIV and AIDS, killings, and accidents at that time. A lot more preventable causes of death today, and they're having a negative impact on mortality.
He referred explicitly to unintended fatalities, saying that "motor vehicle accidents had increased by 6%. And the number of accidental poisonings rose by 13%. And drug overdoses accounted for 97 percent of accidental poisonings. The fact that these incidents are occurring more frequently among younger individuals is quite relevant. Early deaths have a considerably more dramatic impact on estimations of life expectancy.
the question given is incomplete the complete question is given here:
Data from the National Vital Statistics System, Mortality •Life expectancy for the U.S. population in 2015 was 78.8 years, a decrease of 0.1 year from 2014. •The age-adjusted death rate increased 1.2% from 724.6 deaths per 100,000 standard population in 2014 to 733.1 in 2015.
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at a global scale, terrestrial npp is highest in climates in which mean temperatures are at levels and mean precipitation is at levels.
The highest net primary productivity in terrestrial surroundings occurs in swamps, marshes, and tropical rainforests.
Primary productivity is the rate at which energy is changed with the help of photosynthetic and chemosynthetic autotrophs to organic substances. The total amount of productivity in a region or an area is gross primary productivity. A certain amount of organic material is used to contain the life of the producers; what remains of the process is called net productivity.
Net primary production is what is not used by plants and available for secondary production is called net primary productivity.
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Select all of the answers that apply. Besides lava setting fire to combustible materials, what other natural hazards can occur from a volcanic eruption? earthquakes lightning storms landslide and mudslides flooding.
Earthquakes, mudflows and flash floods, rockfalls and landslides, wildland fires, and, under certain conditions, tsunamis can accompany volcanic eruptions.
Landslides caused by volcanic activity?On volcanic cones, which are tall, steep, and weakened by the rise and eruption of molten rock, landslides are common. Magma discharges volcanic gases that to some degree break up in groundwater, coming about in a hot acidic aqueous framework that debilitates rock by modifying minerals to earth.
Which of the following are volcanic activity-related dangers?The vicinity of the volcano may be affected by a number of dangers, including landslides or debris avalanches, lava flows, pyroclastic flows, lahars, and jökulhlaups. Tephra or ash falls, gas leaks, and tsunamis are just a few of the dangers caused by volcanic activity that can affect areas further away from the volcano.
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If you were in south america and flew east to australia which continent would you fly over.
Based on the current position of the continents South America is moving away from Africa in the direction of (a) the west.
A continent is any of numerous huge land masses. generally identified by way of the convention as opposed to any strict standards, up to seven geographical areas are normally seemed as continents. they'll learn to pick out the four essential oceans (Pacific, Atlantic, Indian, and Arctic) and the seven continents (Asia, Europe, Africa, Antarctica, Australia, North america, and South the united states). in step with Wegener's principle, Earth's continents once fashioned a single, giant landmass, which he referred to as Pangaea. Over hundreds of thousands of years, Pangaea slowly broke apart, subsequently forming the continents as they are these days.
The supercontinent commenced interrupting apart about 200 million years ago, all through the Early Jurassic Epoch (201 million to 174 million years in the past), finally forming the current continents and the Atlantic and Indian oceans.
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kaine explained to jeremy that the reason why summers in the southern hemisphere are not warmer than summers in the northern hemisphere is because
The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that over 80% of the Southern Hemisphere is covered with water.
Which country comes in Southern Hemisphere?
Australia and Antarctica are the two continents that completely occupy the southern hemisphere. Other nations that are entirely in the Southern hemisphere include East Timor in Asia, South Africa, and Zambia in Africa, as well as Uruguay and Paraguay in South America.
What makes living in the Southern Hemisphere unique?
With the exception of the Antarctic, which is colder than the Arctic, Southern Hemisphere temperatures are typically a little kinder than those at comparable latitudes in the Northern Hemisphere. This is due to the fact that the Southern Hemisphere has a disproportionate amount of ocean and very little land, therefore water warms and cools more slowly than land.
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what is the most common type of rock on earth's surface? group of answer choices primitive metamorphic igneous sedimentary
The most common type of rock found on the earth's surface is Sedimentary Rocks.
Sedimentary rocks form from eroded fragments of other rocks and the remains of plants and animals. Debris collects in low-lying areas such as lakes, seas, and deserts, where it is compressed back into rock by the weight of the material above it.
Sandstone is formed from sand, mudstone is formed from mud, and limestone is formed from minerals such as shells, diatoms, or bone precipitated from calcium-rich water. Fossil fuels are also found in Sedimentary rocks. Since they cover 75% of the earth’s surface, a very less part of the entire crust is formed by earth’s surface.
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TRUE/FASLE. scientists are beginning to agree that one of the reasons climate change is leading to more extreme weather events stems from polar warming and weakened
The statement " Scientists are beginning to agree that one of the reasons climate change is leading to more extreme weather events stems from polar warming and weakened jet streams" is true.
Give a brief account on Climate change.Climate change, as it is commonly understood, is the continual rise in the average global temperature and its effects on the planet's climate system. In a broader sense, climate change also refers to past, significant shifts in Earth's climate. The use of fossil fuels by humans is the main factor contributing to the present, more rapid rise in world average temperature. Use of fossil fuels, deforestation, and various industrial and agricultural practices all contribute to an increase in greenhouse gases, particularly carbon dioxide and methane. After the Earth warms up from solar radiation, greenhouse gases absorb some of the heat that it radiates. Increased concentrations of these gases warm the planet's lower atmosphere by trapping more heat there.
As a result of climate change, deserts are growing larger and heat waves and wildfires are occurring more frequently. Glaciers retreat, and sea ice loss are all effects of increased Arctic warming. More violent storms, droughts, and other weather extremes are also being brought on by rising temperatures. Numerous species are being forced to move or go extinct due to the rapid environmental change occurring in mountains, coral reefs, and the Arctic. Some effects will last for centuries, even if efforts to limit future warming are successful. These include sea level rise and ocean heating.
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a confined aquifer at a depth of 33.7 meters is encountered during the drilling of a water well. the surface elevation of the well is 266.7 meters. what must the minimum static groundwater elevation be in this well for it to be considered artesian?
Minimum static groundwater elevation be in this well for it to be considered artesian is 234.8m.
Now, as we know that static groundwater level should be always above the top confining layer of aquifer from sea level.
Aquifer is encountered at 33.7 m from the surface.
the surface elevation of well is 268.5 from sea level.
Elevation of top confining layer of aquifer from sea level =268.5 - 33.7 = 234.8 m above sea level.
hence the minimum static water level should be above this 234.8 m elevation and the well will be artesian well.
An artesian well is a well that taps into a confined aquifer. Under artesian pressure, water in the well rises above the top of the aquifer but does not necessarily reach the land surface.
A flowing artesian well is one that has been drilled into an aquifer where the pressure within the aquifer forces the groundwater to rise above the land surface naturally without using a pump. Flowing artesian wells can flow on an intermittent or continuous basis and originate from aquifers occurring in either unconsolidated materials such as sand and gravels or bedrock, at depths ranging from a few meters to several thousand meters. All flowing wells are artesian, but not all artesian wells are flowing wells.
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What is the feature on the ocean floor at C?.
Ocean Trench 8 is called as a feature on the ocean floor at C.
What is the feature on the ocean floor at C?An Ocean Trench 8 is the feature on the ocean floor at C. Sea Floor Spreading 9 refers to the process of constantly adding new material to the ocean floor. Subduction 10 refers to the process by which the ocean floor sinks into the mantle.The feature that occurs at Slit A and C is a subduction zone or deep ocean trench.The narrow depression on the seafloor C , these chasms are the deepest parts of the ocean and some of the deepest natural spots on Earth.4 features that associated with deep ocean basins include trenches, abyssal plains, ocean ridges and rises, and submarine mountainous regions.Learn more about ocean trench here: brainly.com/question/13417746
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FILL IN THE BLANK. most water in the atmosphere has evaporated from the ocean, and ___ rain falls back into the sea. about ___ % of the earth's total rain falls on land.
Most water in the atmosphere has evaporated from the ocean, and most rain falls back into the sea. about 10% of the earth's total rain falls on land.
The water cycle demonstrates how water is constantly moving both inside the Earth and in the atmosphere. It is a complicated system with a wide range of processes.
Water vapour is created when liquid water evaporates, and this water vapour then condenses to form clouds and falls back to earth as rain and snow.
Different stages of water flow through the atmosphere. Runoff, infiltration, and percolation are three ways that liquid water moves across the land and through the earth. Plants absorb groundwater, which then evaporates from the plants and enters the atmosphere. Ice and snow that is solid can instantly turn gaseous. Water vapour can also solidify in the opposite situation.
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in fluidized-bed combustion of coal, what is mixed with coal to remove sulfur oxides? question 13 options: sand basalt granite limestone
The mixed with coal to remove sulfur oxides is limestone; sulfur oxides.
What is sulfur oxides?
Sulfur oxides are a group of molecules composed of sulfur and oxygen atoms, such as sulfur dioxide (SO2) and sulfur trioxide (SO3). Sulfur oxides are pollutants responsible for acid rain formation and particulate matter pollution. Sulfur dioxide is used in many industries. Used in the production of sulfuric acid, paper and food preservatives. Examples of workers at risk of exposure to sulfur dioxide include: A factory worker in an industry that produces it as a by-product, such as copper smelting or power plants.
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which of the following is the correct formula for choosing the sample size n for an estimate of population proportion?
X = Z/22 *p*(1-p) / MOE2, where p is the sample proportion, N is the population size, MOE is the margin of error, and Z/2 is the critical value of the Normal distribution at /2 (for example, for a confidence level of 95%, is 0.05 and the critical value is 1.96).
What in statistics is n?
The quantity "n" denotes the total number of subjects or observations in the sample.
How do you figure out N?
Multiplying the integers from 1 to n yields the factorial of n, which is denoted by the symbol n! n! = n is the formula for n factorial (n - 1).
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The texture of an igneous rock is dependent on its emplacement mechanism (how and where the lava or magma cooled). Match the following images with their emplacement mechanism;
A - Intrusive, B - Pyroclastic, C - Extrusive
Extrusive is the ideal solution. When magma escapes and cools above (or very close to) the Earth's surface, igneous rock known as extrusive or volcanic rock is created.
These are the rocks that are produced by erupting volcanoes and gushing fissures. When exposed to the relatively cool temperature of the atmosphere, the magma, known as lava when molten rock erupts on the surface, cools and solidifies nearly instantaneously. These rocks have an extremely fine-grained or even glassy texture because of the rapid cooling, which leaves little time for mineral crystals to develop. The quenched lava frequently has a frothy, vesicular structure as a result of hot gas bubbles being trapped there.
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TRUE/FALSE. place the following events in order of their occurrence in geologic history, placing the oldest event at the bottom and the most recent event at the top.
According to the geological time scale, a system of measurement based on the examination of the planet's rock layers, the geological history of Earth follows the main geological events in the planet's past.
Give a brief account on geological history of Earth.According to the geological time scale, a system of measurement based on the examination of the planet's rock layers, the geological history of Earth follows the main geological events in the planet's past. Earth was generated 4.54 billion years ago by accretion from the solar nebula, a disk-shaped collection of gas and dust that was left over after the Sun and the rest of the Solar System were formed. Extreme volcanism and frequent collisions with other bodies caused the Earth to be in a molten state at first. When water started to build up in the atmosphere, the planet's surface eventually cooled and solidified to form a crust. Soon after, the Moon likely developed as a result of a planetoid's collision with the Earth.
Placing the events in order of their occurrence in geologic history :
1. Modern humans appear,
2. Mammals and dinosaurs appear.
3. Vertebrates appear on land.
4. Organisms begin sexual reproduction.
5. Oxygen begins accumulating in the atmosphere due to bacterial photosynthesis.
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Place the following events in order of their occurrence in geologic history, placing the oldest event at the bottom and the most recent event at the top.
Organisms begin sexual reproduction.
Modern humans appear,
Oxygen begins accumulating in the atmosphere due to bacterial photosynthesis.
Mammals and dinosaurs appear.
Vertebrates appear on land.
based on the historical imagery at the location in the folder, how far did the glacier advance or retreat between 1996 and 2005?
Based on the historical imagery at the location in the folder, the glacier advance or retreat between 1996 and 2005 was approximately 750 meters.
The supply of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier-melt, and, in the long run, the level of the oceans are all impacted by the glaciers' retreat since 1850. Deglaciation occurs naturally at the end of ice ages, but according to glaciologists, the recorded rise in atmospheric greenhouse gases—a result of climate change—has sped up the current glacier retreat. Some of the most significant proportionate glacial losses are occurring in mid-latitude mountain ranges like the Himalayas, Rockies, Alps, Cascades, Southern Alps, and Southern Andes, as well as isolated tropical summits like Mount Kilimanjaro in Africa.
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What gas needed to be established within the earth’s atmosphere before the atmosphere was able to absorb and maintain heat.
The gas that was formed in Earth's atmosphere before it was able to absorb and retain heat is hydrogen.
Atmospheric gasesThe earth has a multi-layered envelope in the form of layers of air which are often referred to as the atmosphere. The layer of our earth's atmosphere consists of various kinds of gas elements which in it can produce the formation and changes of weather and climate on planet earth.
The constituent gases with relatively fixed concentrations (permanent gases) under normal conditions, namely nitrogen (N2), oxygen (O2), argon (Ar), neon (Ne), helium (He), hydrogen (H2), xenon (Xe ). Helium (He) and hydrogen (H2) – very rare in air except at high levels. This gas is the lightest and is often used to fill meteorological balloons.
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which statements about manifest destiny are correct? multiple select question. it was about the right of the south to force enslaved people to work in cotton fields. it was a political policy concerned with fighting mexico. it was an idealistic vision of the united states expanding its borders to become a giant empire. the spread of the idea was helped by penny press publicity. it was based on the idea that america was destined by god to expand its boundaries.
It was an idealistic vision of the united states expanding its borders to become a giant empire, was a correct statement about it.
What did the manifest destiny do?Manifest Destiny, a term coined in 1845, refers to the belief that the United States is predestined by God to expand its dominion and spread democracy and capitalism across the entire North American continent.Main reason for manifest destiny is arose in response to the prospect of U.S. annexation of Texas and to a dispute with Britain over the Oregon Country, which became part of the union.Manifest Destiny is an example of term that was coined in 1845 to convey the idea that the United States rightful destiny included imperialistic expansion. This concept undoubtedly contributed to several wars. For example, the United States declared war on Mexico in 1846 and went on to conquer much of what is now the Southwestern United States.Learn more about manifest destiny here: brainly.com/question/12151374
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in an isolated population of 1000 individuals, 444 are genotype mn, 478 are mm, and 78 are nn. what are the frequencies of the m and n alleles in this population? see section 20.1 (page 727) .
the frequencies of the m and n alleles in this population in an isolated population of 1000 individuals, 444 are genotype mn, 478 are mm, and 78 are nn are f(M) = 0.7, f(N) = 0.3.
What is the relative fitness of genotype BB? What is the relative fitness of genotype BB?A relative fit of 1.0 can occur across multiple genotypes. B.
The relative goodness of fit for genotype BB in the sampled chicken population is 1.0.
The selectivity coefficients for genotype Bb and genotype Bb are 0.3 and 0.4, respectively.
Genetic diversity is typically increased by mutation, but decreased by three other mechanisms.
Migration tends to homogenize genetic variation and reduce genetic diversity among populations, whereas natural selection and genetic drift tend to increase it.
Alleles are matching genes. One from our birth mother and one from our birth father.
We have her two copies of each gene (a set of codes that drive a biological function on the chromosome). They can be identical, but often have slight differences.
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composite cones have steep slopes and experience eruptions because they are composed of magma. a) mild; mafic b) mild; felsic c) violent; low silica d) violent; high silica
Composite cones have steep slopes and experience violent eruptions because they are composed of high silica magma. (Option D)
Composite cones, also known as stratovolcanoes, refer to massive volcanoes which are thousands of feet or meters tall and are typically composed of lava flows, mudflow (lahar) deposits, pyroclastic deposits, and lava domes. They are generally active over lengthy periods of time (tens to hundreds of thousands of years) and erupt periodically which usually are violent eruptions because they are composed of felsic magma. Felsic magma refers to lava which contains high concentrations of lighter elements such as silicon, oxygen, sodium, potassium, and aluminum. Felsic magma has higher viscosity and hence erupts violently.
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Select the correct answer.
High salinity water cools
and sinks in the North Atlantic.
Deep water returns to the surface in
the Indian and Pacific Oceans through
upwelling
Which phrase best describes the image?
D.
OA. global air circulation
О в.
O C.
thermohaline circulation
atmospheric convection
surface ocean currents on Earth
This is fantastic news since it means that the waters can now store more carbon dioxide from the atmosphere. Thus, option B is correct.
What are the effect of thermohaline circulation?The thermohaline circulation plays a significant role in how heat is distributed to the polar regions. As a result, it impacts how quickly sea ice forms at the poles.
Which in turn affects other components of the climate system (such as the albedo, and thus solar heating, at high latitudes).
Therefore, Similar to this, the thermohaline circulation in contemporary oceans mixes dissolved gases (such carbon dioxide and oxygen) into the deep ocean.
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What is the equation of the graphed function?.
The equation of the graphed function is [tex]f(x)=(x+1)^{2}[/tex].
What is an equation ?A mathematical equation is a formula that uses the equals symbol (=) to connect two expressions and express their equality. A well-formed formula consisting of two expressions linked by an equals sign is considered to be an equation in English, but the word's cognates in other languages may have slightly different definitions.
The first step in resolving a variable equation is to identify the values of the variables that lead to the equality being true. The variables for which the equation must be solved are also known as the unknowns, and the unknowns' values that satisfy the equality are known as the equation's solutions.
To solve for equation :
We must determine the graphed function's equation.
Looking at the graph we've been given, we can see that it resembles a parabola.
We are aware that a parabola's vertex form is : [tex]y=a(x-h)^{2} +k[/tex] , where, (h,k) represents the parabola's vertex.
Since the vertex of the given parabola is located at (-1, 0), we may substitute those coordinates to obtain:
[tex]y=a(x-(-1))^{2} +0[/tex]
[tex]y=a(x+1)^{2}[/tex]
Now, using the coordinates of point (0,1) in the previous equation, we will get the value of a.
[tex]1=a(0+1)^{2}[/tex]
[tex]1=a(1)^{2}[/tex]
[tex]a=1[/tex]
As a result, the equation for our function would be:
[tex]f(x)=(x+1)^{2}[/tex]
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What is the equation of the graphed function?
Enter your answer in the box.
f(x)=
Is Jim free at the end of Huck Finn?.
From Adventures of Huckleberry Finn it is concluded that Huck still has his $6,000, Jim is free, Tom's leg has healed, and Aunt Sally has offered to adopt him.
What transpires at the story's conclusion, Huckleberry Finn?At the book's conclusion, Tom appears incapable of change, Huck withdraws from society in order to travel to Oklahoma, and the other adults are left in compromised positions. The only character who emerges from the mess as a respectable adult is Jim.
How does Huck set Jim free?Huck is impressed by his insightful observation, and he devises a strategy to free Jim by stealing the shed key and making off with Jim at night.
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The complete question is:
"Is Jim free at the end of Adventures of Huckleberry Finn?"
If the earth spun on an axis that was perfectly perpendicular to the equator, how might this affect latitudinal differences in incoming solar radiation?.
There would still be latitudinal differences because incoming solar radiation would be spread across a greater area at the poles than at the equator.
solar radiation, regularly referred to as the solar resource or just sunlight, is a fashionable time period for the electromagnetic radiation emitted by the sun. solar radiation can be captured and become beneficial varieties of strength, together with heat and electricity, the use of a ramification of technology. sun irradiance is the power consistent with unit region received from the sun in the shape of electromagnetic radiation within the wavelength variety of the measuring device. sun irradiance is measured in watts in line with the rectangular meter in SI units. The sun radiation, which reaches the earth's surface, warms the surface. however, the earth's common temperature does now not change, because the earth in turn radiates strength to the ecosystem and to space. The outgoing radiation is on the earth's temperature and has its maximum inside the infrared location of the spectrum.
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A _______________ is a bowl-shaped depression at the head of an alpine glacial valley that feeds the glacier with snow.
A Cirque is a bowl-shaped depression at the head of an alpine glacial valley that feeds the glacier with snow.
The head of a glacier valley, also known as a cirque or corries, has a bowl-shaped basin and high sides. Typically, erosion creates a cirque in a glacier's bergschrund (chain of cracks).
A cirque is a bowl-shaped depression on the side of or next to a mountain where cirque glaciers are created. Avalanches from higher nearby hills can cause snow and ice to accumulate in corries. A cirque glacier may transition into a valley glacier if it progresses far enough. A valley glacier can turn back into a cirque glacier if it retreats far enough to enter the cirque. A cirque's concave form is opened on the downhill side, while its cupped segment is frequently cupped-shaped on the uphill side.
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What shows how big the economy of a country is?.
Gross domestic product or GDP shows the size of economy of a country.
The amount of services and goods produced within a country in a particular period of time is called its gross domestic product or GDP which ultimately measures the size of economy of the given country.
The ratio between final goods and the output is called GDP. This GDP depends on the output generated from those goods and services which are bought by the end consumers. Higher the number of end consumers of particular products, more will be the GDP and vice versa.
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A _______________ is a bowl-shaped depression at the head of an alpine glacial valley that feeds the glacier with snow.
Answer:A cirque
Explanation: A cirque is a bowl-shaped depression with be try steep sides that form the head of a mountain glacier, , thus filling it with snow.
Answer:Cirque I hope this helpful mark me brainlist if correct then no if wrong
Explanation:
At the head of a glacially carved valley is a bowl-shaped feature called a cirque. The cirque represents where the head of the glacier eroded the mountain by plucking rock away from it and the weight of the thick ice eroded out a bowl.Cirque. A bowl-shaped, amphitheater-like depression eroded into the head or the side of a glacier valley. Typically, a cirque has a lip at its lower end.Cirques. Cirques are bowl-shaped, amphitheater-like depressions that glaciers carve into mountains and valley sidewallsat high elevations
the tropical atmospheric circulation associated with rising winds along the intertropical convergence zone (itcz) and descending air in the subtropics are called
The tropical atmospheric circulation associated with rising winds along the intertropical convergence zone (ITCZ) and descending air in the subtropics are called Hadley cells. or Hadley circulation
The Hadley circulation, also known as the Hadley cell, is a worldwide tropical atmospheric circulation pattern that occurs due to uneven solar heating at different latitudes surrounding the equator. The Hadley circulation causes air around the equator to rise to about 10-15 kilometers, flow poleward (toward the North Pole above the equator, the South Pole below the equator), descend in the subtropics, and then flow back to the equator along the Earth's surface.
Climate scientists are interested in Hadley cell because it controls precipitation in the subtropics and creates a region known as the intertropical convergence zone, which produces a band of major, highly precipitous storms.
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How did people of the lowlands change from a nomadic to a settled way of life , and what role did the region’s abundant rivers play in that change?
The way that people of the lowlands change from a nomadic to a settled way of life and the role is that:
Nomadic life was very different from settled village life. For food, humans were no longer required to follow the herds or collect berries, roots, and other seasonal plants. Now that they could domesticate animals and develop crops, they had a more steady supply of sustenance.What put an end to the nomad way of life?In the 20th century, nomadism declined for a variety of political and economic reasons, including the growth of industry, the spread of systematic agriculture, and governmental policies that viewed nomadism as antiquated.
Due to the sedentary nature of their lifestyles, no mads were able to establish their own trade networks between settlements that otherwise would not have come into contact. Because of this, these nomads were able to spread culture and goods between villages in a particular area.
Therefore, Nomadism most likely started in Iran around 8000 years ago, according to research conducted in the southwest of the country. During their work on an old hill in Andimeshk in 1974, a group of researchers came in contact with an ancient camp used by the Nomads in the time of 8000 years ago.
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the binomial conditions must be met before we can develop a confidence interval for a population proportion. which two of the following are binomial conditions?
Success and failure are the two possibilities that could happen for binomial distribution. For each trial, the likelihood of success is the same.
The following are the four requirements for a binomial setting that will result in a binomial distribution: Each observation is either a success or a failure, and these two categories are known as The number of observations is fixed. Each observation is independent Each observation has the same probability of success.
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