All of the statements about the production of light in stars are correct.
Information about proc=suction of light in starsHeat flows from hot areas to cold areas, which is important for understanding how energy is transported from the hot core of a star to its cooler surface and eventually into space.
Hotter stars emit more energy at higher frequencies, which is a consequence of Wien's law that relates the temperature of a body to the peak frequency of its emitted radiation.
The temperature of a star can be roughly estimated from its color, since hotter stars appear bluer and cooler stars appear redder. This is known as the color-temperature relation, which is based on the fact that the spectrum of a star is a blackbody spectrum that depends on its temperature.
Stars emit light mostly from their surface, where the energy generated in the core is transported by radiation or convection to the outer layers and is eventually emitted as light. This is known as the photosphere, which is the layer of a star that emits the light we observe.
Learn more about light in stars at:
https://brainly.com/question/14376690
#SPJ1
. if you are at 10° n, how many times during the year will the sun pass precisely through your zenith?
If you are at 10° N latitude, the sun will pass precisely through your zenith twice a year, at the two equinoxes (around March 20-21 and September 22-23).
During these times, the sun is directly above the equator and its rays are perpendicular to the Earth's surface at the equator and all latitudes in between the Tropic of Cancer (23.5° N) and the Tropic of Capricorn (23.5° S).
At other times of the year, the sun's rays will hit the Earth's surface at an angle, which can cause variations in the length and intensity of daylight and temperature changes in different regions.
To know more about zenith click here:
https://brainly.com/question/30435427
#SPJ4
What did John Glenn ask Katherine Johnson to do before he orbited Earth?answer choicesCalculate his trajectory instead of having an electronic computer do it.Fly with him in the spacecraft around the Earth.Double check the original calculations that had been done by an electronic computer.Teach him how to calculate trajectories.
John Glenn asked that Katherine personally double-check the computer calculations before his 1962 Friendship 7 flight, the first American mission to orbit Earth, even after NASA had electronic computers.
When John Glenn entered the Senate in 1974, he was already well-known as a highly decorated military aviator and astronaut who aspired to hold a position of leadership in the government. Glenn served as Ohio's representative for 25 years before retiring in 1999. John Glenn did not visit the moon. The first American to circle the planet was him. In 1962, he reached this objective. Buzz Aldrin and Neil Armstrong were the first people to set foot on the moon. John Glenn asked that Katherine personally double-check the computer calculations before his 1962 Friendship 7 flight, the first American mission to orbit Earth, even after NASA had electronic computers.
Learn more about American here :
https://brainly.com/question/2600449
#SPJ4
what were the two largest cities in the indus valley civilization
Answer:
Harappa and Mohenjo-daro
Explanation:
np
in Wikipedia, look up "Volcanic arc" and answer this question: In which tectonic settings is magma caused by water lowering the melting temperature of rock?a. Subduction zones
b. Mid-ocean ridges
c. Hot spots
d. All the above
Option a is Correct. Look up "volcanic arc" on Wikipedia and respond to the following: Water causes magma in subduction zones because it lowers the melting point of rock there.
Magma is created at convergent borders when water from a subducting plate serves as a flux to reduce the surrounding mantle rock's melting temperature. Hot rock from below may intrude into the colder plate above when the denser tectonic plate subducts, or sinks below, the less dense tectonic plate.
This procedure generates magma while transferring heat. The magma in this subduction zone has the ability to form a volcanic arc, a group of active volcanoes, over millions of years. A volcanic arc is a sequence of volcanoes that develops above a subduction zone and can range in length from hundreds to thousands of kilometres.
Learn more about Subduction zones Visit: brainly.com/question/24647612
#SPJ4
47) When several EPSPs arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential, this is an example of
A) temporal summation.
B) spatial summation.
C) tetanus.
D) the refractory state.
E) an action potential with an abnormally high peak of depolarization.
When several EPSPs arrive at the axon hillock from different dendritic locations,postsynaptic cell to threshold for an action potential, this is an example ofB) spatial summation.
Spatial summation occurs when several excitatory postsynaptic potentials (EPSPs) arrive at the axon hillock simultaneously from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential.The EPSPs are generated by the binding of neurotransmitters to receptors on the postsynaptic membrane, which opens ion channels and allows positive ions to flow into the cell, causing depolarization.If the depolarization is strong enough to reach the threshold potential, an action potential will be generated and propagated down the axon.Spatial summation allows the postsynaptic cell to integrate the inputs it receives from multiple synapses and determine whether or not to generate an action potential. It is one of the key mechanisms by which neurons process and transmit information in the brain.
learn more about spatial summation. here:
https://brainly.com/question/29636502
#SPJ4
Which of these climate zones can be found in Mali? A) Humid Subtropical B) Marine West Coast C) Mediterranean D) Semiarid. Semiarid.
Option D is Correct. These climatic zones are semiarid, and they are present in Mali. In North Africa, the Mediterranean climate is typified by long, hot, dry summers and irregular rainfall.
Mali is situated in western Africa between latitudes of 10 and 25°N, bordering the Sahel, a subtropical region. While the southern sections of Mali have a wetter, more tropical environment, the northern portions of the country extend deep into the arid Sahara desert. local characteristics.
Hot, dry summers and humid, chilly winters define the climate. It is also quite erratic, with bursts of heavy rain or powerful winds like the Sirocco and Mistral. The plants and fauna of the area are significantly impacted by this climate.
Learn more about Semiarid Visit: brainly.com/question/19953833
#SPJ4
Which of these is the best definition of a river basin?
answer choices
the sources of a river and its tributaries
the delta created by a river at its mouth
the area drained by a river and its tributaries
the length of a river from its source to its mouth
Option 2 is Correct. The best way to describe a river basin is the delta that it produces at its mouth. The area of land drained by a river and its tributaries is known as a river basin.
It includes the whole area of land that is divided and drained by several streams and creeks that eventually empty into the Milwaukee River after flowing downhill into one another. An region that is drained by a river and all of its tributaries is known as a river drainage basin.
Several diverse watersheds make up a river basin. A smaller river basin is known as a watershed. Each tributary and stream has an own watershed that empties into a bigger stream or wetland.
Learn more about river basin Visit: brainly.com/question/14880757
#SPJ4
Correct Question:
Which of these is the best definition of a river basin?
answer choices
1. the sources of a river and its tributaries
2. the delta created by a river at its mouth
3. the area drained by a river and its tributaries
4. the length of a river from its source to its mouth.
what country is both an island and a part of the mainland
"Equatorial Guinea is a country that is both an island and a part of the mainland." It was formerly called as Spanish Guinea. Equatorial Guinea, also refer-red to as EQG, is the only former Spanish col-ony in Sub-Saharan Africa.
Equatorial Guinea is a Central African country comp-rising the Rio Muni main-land and 5 volcanic off-shore islands. It is considered 1 of Africa's rich-est countries, Equatorial Guinea is home to huge minerals and oil re-serves. In the mid-1990s, US oil companies discovered mass-ive deposits off the coast of Equatorial Guinea. Since then, bill-ions of dollars have been gene-rated from the pro-duction and sale of crude oil.
To know more about click Equatorial Guinea below:
brainly.com/question/30583718
#SPJ4
The energy that is released when an earthquake occurs travels through Earth in the form of vibrations known as seismic ______.
Answer:
seismic waves
Explanation:
use figure 9-9 to answer the question. which type of agricultural practice is not found in or near tropical regions?
Commercial agriculture is mainly developed to produce goods for sale to food processing businesses and is typically practised in core nations outside of the tropics.
What is commercial agriculture?Commercial agriculture refers to the large-scale cultivation of crops for sale, often on large farms or plantations. This type of agriculture is designed to generate profit and is primarily geared towards meeting the demands of the global market. Commercial farming often employs advanced technology and modern farming techniques to maximize yields and minimize costs. It relies heavily on the use of fertilizers, pesticides, and other chemicals to increase productivity. This form of agriculture requires significant investment in infrastructure and machinery, and may involve intensive labor or mechanization. Commercial agriculture can have significant environmental impacts, including soil degradation, water pollution, and biodiversity loss, and can also contribute to social and economic inequality in rural communities.
To learn more about agriculture, visit:
https://brainly.com/question/26923645
#SPJ1
What are the names of the five oceans and seas? Thanks!!
Answer:
Pacfic, Atlantic, Indian, artic, South Antarctic
what processes cause igneous rock to form?
Igneous rocks are formed through the cooling and solidification of magma or lava. There are two main processes that can cause igneous rock to form:
Intrusive Igneous Rock Formation: When magma cools and solidifies below the Earth's surface, it can form intrusive igneous rocks. As magma cools, it loses its heat and minerals crystallize and solidify. The slower the cooling process, the larger the crystals that form in the rock. Examples of intrusive igneous rocks include granite, gabbro, and diorite.The composition of the magma or lava, such as the types and amounts of minerals and gases, also plays a role in determining the type of igneous rock that forms. Additionally, the rate of cooling and the environment where the cooling occurs can affect the texture and appearance of the igneous rock.
To know more about igneous rock click here:
https://brainly.com/question/18297174
#SPJ4
what was the temperature yesterday
The temperature yesterday (18 Feb 2023) in London, UK was 12°C (54°F).
The temperature in the UK varies considerably by city and region. In the south of England, cities like London and Brighton tend to be significantly warmer than cities in the north of the country, such as Edinburgh and Glasgow.
Generally, temperatures in the UK range from an average of -1°C in the winter to 21°C in the summer. However, temperatures in some parts of the UK can reach as high as 30°C in the summer and as low as -15°C in the winter. It is also important to note that the UK has a very variable climate, with sudden changes in temperature and weather conditions occurring often.
To learn more about temperature and weather conditions link is here
brainly.com/question/20388824
#SPJ4
The complete question is:
What was the temperature yesterday(18/Feb/2023) in UK?
what directional term pairs with and is opposite to prone to earthquakes
The directional term pair that is opposite to "prone to earthquakes" would be "resistant to earthquakes".
Earthquakes are a normal occurrence that take place along a fault line when two blocks of the earth's crust suddenly slip past one another. The sudden movement of the earth's crust generates energy waves that move through the surface of the planet and cause the ground to vibrate and shake.
Earthquakes can be small, barely perceptible tremors or large, catastrophic events that can result in extensive damage and fatalities. They can also start landslides, tsunamis, and volcanic eruptions, among other natural catastrophes.
Seismologists monitor earthquakes using specialized tools and methods, and actions are taken to lessen their effects, such as constructing earthquake-resistant structures and creating early warning systems.
To know more about earthquake here:
https://brainly.com/question/248561
#SPJ4
distinguish among a conduit, a vent, and a crater.
Magma moves from the magma chamber to the vent through a tube known as a conduit. It is from the volcano's vent that magma is released. At the volcano's summit, there is a depression called a crater.
Between a vent and a crater, what is the difference?A vent is a location where magma can flow through to reach the Earth's surface. A volcano's crater is a circular depression within it.
How do conduits and vents on volcanoes differ from one another?Conduit - The conduit or tube, which may have a pipe-like structure, that carries lava from a reservoir or chamber to the vent at the surface where it erupts. A molten rock eruption onto the Earth's surface known as a lava flow
To know more about Conduit, a vent, and a crater. visit:
https://brainly.com/question/1177737
#SPJ1
1. How are the volcanoes in the Ring of Fire generally described?
A. They have violent eruptions, because most of these volcanoes are shield volcanoes which eject basaltic lava.
B. They have violent eruptions, because most of these volcanoes are composite cones which eject andesitic lava.
C. They have quiescent eruptions, because most of these volcanoes are composite cones which eject andesitic lava.
D. They have violent eruptions, because most of these volcanoes are composite cones which eject basaltic lava.
E. They have quiescent eruptions, because most of these volcanoes are shield volcanoes which eject basaltic lava.
Because the majority of these volcanoes are shield volcanoes that spew basaltic lava, they frequently experience severe eruptions.
What is shield volcanoes?Shield volcanoes are so named because of their low profile, which resembles a warrior's shield resting on the ground. It is created by the eruption of lava that is extremely fluid and moves farther and generates thinner flows than lava that is more viscous and comes from a stratovolcano. Typically, basaltic and/or andesitic lava flows that were quite fluid when they erupted make up practically the whole structure of shield volcanoes. They were created by a series of eruptions that happened sporadically over a very long time (up to a million years or longer). Volcanoes with shields have significantly wider than taller surfaces.
To learn more about Shield volcanoes click,
https://brainly.com/question/16563
#SPJ1
what is the inner core made of
Answer:
iron and nickel
Explanation:
it is solid due to the pressure from the other layers
a star of which color most likely has the lowest absolute brightness?
The color of a star that has the lowest absolute brightness would be a Red Dwarf Star.
Which stars have lower brightness ?In general, smaller stars tend to have lower absolute brightness than larger stars of the same temperature. This is because smaller stars have a smaller surface area, so they emit less light even if they have the same surface temperature as a larger star.
Therefore, a red dwarf star, which is a relatively small and cool star with a reddish hue, is likely to have the lowest absolute brightness of any type of star.
Find out more on brightness at https://brainly.com/question/8493778
#SPJ1
Answer: Red
Explanation:
where are the most densely populated areas of japan with over 1000 people per kilometer?
The most populous locations of Japan are Osaka, Kobe, and Kyoto, each of which serves as the prefecture's capital. Together, these three cities make up the Kansai region.
A region in the south of Honshu, Japan's main island, is known as Kansai. The major towns of Kyoto, Osaka, and Nara are all part of the Kansai region, often referred to as the Kinki region, which spans a sizable portion of central Honshu, the largest island in Japan. In Japan, Tokyo has the highest population density. On the Japanese island of Honshu, the port city and commercial hub of Osaka is located. It is renowned for its cutting-edge architecture, vibrant nightlife, and filling street food.
To know about the Kansai region
https://brainly.com/question/20724377
#SPJ4
Under which condition will pressure altitude be equal to true altitude?
Although it is uncommon, if the local barometric pressure is 29.92, then the indicated or real altitude and pressure altitude can be the same.
This is the reason that all aeroplanes operating in the United States and Canada must have an altimeter set to the same value of 29.92 in Hg, which is 18,000 feet above mean sea level. Because of this, even though the levels of the land and the sea are continually changing, they may maintain the same flying levels. The same way that pressure influences your true altitude, temperature does too. Temperature extremes will cause your displayed height to be inaccurate, which will have an impact on your estimations of true altitude. Your true altitude can be lower than what is reported if it is colder outside. Your genuine altitude is more likely to be lower the colder it is.
Learn more about temperature here-
https://brainly.com/question/11464844
#SPJ4
What's the meaning of Detritus ?
Answer: detritus
waste or debris of any kind.
Explanation: I searched it online
Which region in the thirteen colonies had social norms shaped by the ideas of the puritans and pilgrims?a. The new englandb. Jamestownc. Virginiad. Marylande. The Carolinas
The New England region of the Thirteen Colonies was most strongly influenced by the ideas of the Puritans and Pilgrims. This region included Massachusetts, Connecticut, Rhode Island, and New Hampshire. So the option a is correct.
The Puritans and Pilgrims were two distinct groups of English Protestants who sought to create a society based on religious principles and values. The Puritans were Calvinists who sought to reform the Church of England from within, while the Pilgrims were Separatists who sought to establish their own independent church. Both groups sought to create a society in which piety and religious observance were paramount.
The Puritans and Pilgrims brought with them to New England a number of ideas and values, including a strong belief in individual responsibility, hard work, education, self-government, and the importance of the family unit. They also brought with them a commitment to religious liberty and the separation of church and state. These ideals were enshrined in the laws and institutions of the New England colonies, and continue to influence the region to this day.
To learn more about Thirteen Colonies link is here
brainly.com/question/12475018
#SPJ4
Which of the following perceptual concepts makes Italy's Leaning Tower of Pisa so intriguing to people?
a. landmark discrimination
b. oblique effect
c. Bayesian inference
d. good continuation
The campanile, or freestanding bell tower, of Pisa Cathedral is known as the Leaning Tower of Pisa (Italian: torre pendente di Pisa), or simply the Tower of Pisa (torre di Pisa [torre di piza; pisa.
It is renowned for having a lean of about four degrees, which was caused by an unstable foundation. The tower is one of three buildings in the Piazza del Duomo in Pisa, which also contains the cathedral and the Pisa Baptistry.
The tower rises to a height of 56.67 meters (185 ft 11 in) on the high side and 55.86 meters (183 ft 3 in) above the ground on the low side. 2.44 m is the width of the walls at their base (8 ft 0 in).
To learn more about Italy's Leaning Tower from the given link:
https://brainly.com/question/28969137
#SPJ1
what is the main source of energy that drives all weather patterns?
Answer: The Sun
Explanation: Solar radiation is vital to the continuation of our climate system, and nearly all climatic and biologic processes on Earth are dependent on solar input. Energy from the sun is essential for many processes on Earth including warming of the surface, evaporation, photosynthesis and atmospheric circulation.
soil with the greatest porosity has particles that are
Soil with the greatest porosity basically consists of particles which are loosely packed and are well sorted.
The pore space of a soil is basically defined as the portion of the soil volume which is occupied by air as well as water. These pore-spaces directly control the amount of water as well as air which is present in the soil and indirectly happens to influence the plant growth and also the crop production.
The soil porosity is affected by the size of the soil particles and also the packing of those particles. The soil which has the greatest porosity is going to have articles that are well sorted and are loosely packed.
To know more about porosity
https://brainly.com/question/27626099
#SPJ4
What is a tsunami wave?
Answer:
it can be caused by an earthquake. A tsunami wave is a gigantic wave from the ocean and it can wipe out cities/ towns/ villages.
Explanation:
what county is michigan state university located in
Answer:
Explanation:
East lansing county
why can there be no breaks in the thin-layer surface of a tlc plate?
Answer: The reason is that the plate will be immersed in the eluting solvent to effect the separation
Explanation:
what continent is democratic republic of congo located?
The Democratic Republic of Congo(DRC) is located in the continent of Africa.
Africa is the world's second-largest continent by both land area and population, located mainly in the Eastern Hemisphere. It is home to 54 countries, including the Democratic Republic of Congo, which is the second-largest country in Africa by land area. The Democratic Republic of Congo, also known as DR Congo or DRC, is located in Central Africa and is bordered by nine other countries: Angola, Zambia, Tanzania, Burundi, Rwanda, Uganda, the Central African Republic, South Sudan, and the Republic of Congo. DR Congo has a diverse geography, including rainforests, savannas, and mountains, and is rich in natural resources such as diamonds, gold, and copper.The Democratic Republic of Congo, is a country in Central Africa with a population of over 101 million people. It is the second-largest country in Africa by land area and is rich in natural resources.
Learn more about Democratic Republic of Congo here:
https://brainly.com/question/4315380
#SPJ4
what keeps asteroids moving through space for billions of years?
