Based on what you know about light and matter interactions, select all of the correct statements from the following list. a Absorption spectra have bright lines. Low-density hot gases produce emission spectra. Emission spectra have dark lines. The size of an electron's orbit depends on its energy Atoms absorb energy by emisting photons. a Electrons will move to higher orbits when an atom absorbs enough energy a Hot solids emit continuous spectra.

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Answer 1

About light and matter interactions, the correct statements from the following list are:

b) Low-density hot gases produce emission spectra.

d) The size of an electron's orbit depends on its energy

f) Electrons will move to higher orbits when an atom absorbs enough energy

So, the option b,d and f are the correct option.

Low-density hot gases produce emission spectra: When a low-density hot gas is heated to a high temperature, its electrons become excited and emit light at specific wavelengths. This produces an emission spectrum, which is a characteristic pattern of light corresponding to the different energies of the electrons in the gas.

The size of an electron's orbit depends on its energy: The size of an electron's orbit is determined by its energy. Electrons with higher energy occupy larger orbits and those with lower energy occupy smaller orbits.

Electrons will move to higher orbits when an atom absorbs enough energy: When an atom absorbs enough energy, its electrons can be excited to move to higher orbits. This can happen through the absorption of light or other forms of energy. The electrons will then emit light when they return to their original orbit.

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Related Questions

the place the sun stops its northward motion along the ecliptic is the__

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The place where the Sun stops its northward motion along the ecliptic is known as the Tropic of Cancer. This is a circle of latitude that is located at 23.5 degrees north of the equator.

The Tropic of Cancer marks the northernmost point at which the Sun appears directly overhead at noon, which occurs around June 21st each year. This is known as the summer solstice in the Northern Hemisphere, and it marks the beginning of summer in the region. After this point, the Sun begins its southward motion along the ecliptic, and the days gradually become shorter in the Northern Hemisphere. Conversely, the Tropic of Capricorn marks the southernmost point along the ecliptic where the Sun appears directly overhead at noon. This occurs around December 21st each year, which is known as the winter solstice in the Northern Hemisphere and the beginning of summer in the Southern Hemisphere. After this point, the Sun begins its northward motion along the ecliptic, and the days gradually become longer in the Northern Hemisphere.

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which mountain pass provided a route to invade the indus valley?

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A way to conquer the Indus Valley was made possible by the Khyber Pass.

On Pakistan's border with Afghanistan's Nangarhar Province, in the Khyber Pakhtunkhwa province, is a mountain pass known as the Khyber Pass. It travels through a portion of the White Mountains to connect the village of Landi Kotal with the Valley of Peshawar at Jamrud. It has been an important commerce route connecting Central Asia and the Indian subcontinent since it was a component of the historic Silk Road, and it has served as a key military choke point for the many nations that controlled it. By travelling along Asian Highway 1, one can reach Landi Kotal's pass summit five kilometers (three miles) within Pakistan before descending 460 meters (1,510 feet) to Jamrud, which is located around 30 kilometres (19 miles) from the Afghan border.

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how can the doppler effect explain wavelength shifts in both light and sound?

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The Doppler effect is a phenomenon that occurs when there is relative motion between a source of waves and an observer. It can be observed in both light and sound waves and explains the changes in wavelength (or frequency) that are detected by an observer.

In the case of sound waves, when a sound source is moving towards an observer, the sound waves are compressed and the frequency appears to be higher than the actual frequency of the sound.

In the case of light waves, the Doppler effect is responsible for shifts in the wavelength of light that are observed from stars and galaxies. When a star or galaxy is moving towards the Earth, the light waves are compressed and the wavelength appears to be shorter, shifting towards the blue end of the spectrum (known as a blue shift).

Overall, the Doppler effect can be used to explain changes in wavelength (or frequency) in both light and sound waves, and it is an important phenomenon for understanding the motion of objects in our universe.

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During the summer months at the North Pole, the sun does not set for ____.
a. 6 month
b. 7 month
c. 8 month
d. 9 month

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Option A, During summer, the sun does not set near the North Pole for six months.

As the sun moves from the equator to the Tropic of Cancer and back to the equator, the N Pole receives six months of daylight or summer. As the sun moves from the equator to the Tropic of Capricorn and back again, the N Pole experiences six months of darkness or winter.

In the polar summer, the sun stays above the horizon 24 hours a day, so there is no sunrise or sunset, only constant sunlight. This unique phenomenon is created by the Earth's seasonal tilt toward the sun during the Arctic and Antarctic summer.

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what happens when magma cools rapidly in mineral formation?

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The magma, called lava when molten rock erupts on the sur-face, cools and solidifies almost instant-ly when it is exposed to the relatively cool temperature of the atmo-sphere.

Quick cooling means that mineral crystals don't have mu-ch time to grow, so these rocks have a very fine-grained or even glassy text-ure. If cooling of magma or lava occ-urs rapidly, the ions in the melt-ed material lose their motion and quickly combi-ne. Result large no. of tiny crystals th-at compete for the avail-able ions. Rapid cooling of magma or lava res-ults in rocks with small, inter-connected min-eral grains. Igneous rocks with sm-all grains are said to have a fine-grained texture.

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give a specific example of a state that strengthened their control over existing colonies.

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A specific example of a state that strengthened their control over existing colonies is the British strengthened their control over their colonies in India and the Dutch strengthened their control over their colonies in Indonesia.

What is a colony?

It is a group of people who leave their native country to establish a settlement in a new land that is subject to or connected to the parent nation.

A colony is a territory that is subject to foreign rule in modern parlance. Despite being dominated by foreign colonisers, colonies remain distinct from the administration of the colonisers' original country, the metropolitan state (or "mother country"). As a result of this administrative colonial separation, colonies are neither incorporated territories nor client states.

Therefore, the Great Britain colony in India is an example of a state that strengthened their control over existing colonies.

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What is weathering and erosion example?

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Answer:

Example of weathering: Wind and water cause small pieces of rock to break off at the side of a mountain. Weathering can occur due to chemical and mechanical processes. Erosion is the movement of particles away from their source. Example of erosion: Wind carries small pieces of rock away from the side of a mountain.

Explanation:

Which landscape feature shows that two glaciers joined together?
A. a medial moraine
B. a terminal moraine
C. a recessional moraine
D. a lateral moraine

Answers

A. medial moraine shows that two glaciers joined together.

A medial moraine is a ridge of rock debris that runs down the center of a glacier formed by the merging of two glaciers. When two glaciers come together, their lateral moraines join to form a single medial moraine down the middle of the combined glacier. The medial moraine is a clear indication that two glaciers have joined together.

A terminal moraine is a ridge of sediment deposited at the end or front of a glacier that marks the furthest extent of the glacier's advance.

A recessional moraine is a ridge of sediment left behind when a retreating glacier pauses in its retreat.

A lateral moraine is a ridge of rock debris along the side of a glacier that marks its former edges.

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Unlike nominal GDP, real GDP
A
is not adjusted for inflation.
B
does not establish a set price for all goods and services.
C
looks at how many goods and services are produced instead of how much those goods and services cost.
D
looks at the cost of goods and services instead of how many goods and services are produced.

Answers

C) Real GDP looks at how many goods and services are produced rather than how much they cost, in contrast to nominal GDP.

What distinguishes real GDP from nominal GDP?

Real GDP is based on constant prices, whereas nominal GDP is based on current prices. Using a visual representation of GDP, we can investigate the ways in which price changes can skew GDP.

Is inflation taken into account in real or nominal GDP?

Real GDP calculates the quantities of goods and services and uses constant prices that are adjusted for inflation to track the total value. This contrasts with nominal GDP, which does not take inflation into account.

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Question 3 of 15
Match the cold climate zone in column 1 to the characteristic in

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Note that the characteristics in the Cold Climate Zone are matched accordingly:

Icecap - ColdTundra - Coldest climateNonpermanent Ice -  Freeze-thaw cyclesHighlands -  Ice close to the equator

What is the rationale for the above response?

Note that an ice cap is a permanent feature characterized by extremely cold temperatures, while nonpermanent ice, such as glaciers and frozen lakes, undergo freeze-thaw cycles due to changes in temperature.

Highlands, which can be found at higher elevations near the equator, may have ice due to cooler temperatures even in warmer regions.

Thus, the corresponding characteristics for each zone in column 2 are cold, freeze-thaw cycles, and ice close to the equator, respectively.

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archaeology, the study of cultures in the human past, focuses on what?a. human adaption to the environment in the pastb. human evolution from the fossil recordc. any human material remainsd. any human burial sites

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Learn essential hospitality best practices and insights

Explain how calderas are formed

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Answer:

below

Explanation:

Calderas form when magma chambers are partially emptied during large eruptions and the land surface subsides and the area above the shallow magma reservoir collapses.

how did the magnitude system originate in a classification of stars by apparent brightness?

Answers

Astro-nomers measure the brightness of stars using the magnitude scale, attri-buted in its original form to the Greek astro-nomer Hipparchus ( about 190 - 120 BC ).

Ancient astronomers divided the stars into 6 classes: the brightest were called first magnitude and the faintest were called 6th magnitude. Modern astronomers can measure magnitude to high precision and have extended the scale to larger no.'s for even fainter stars , and to 0 and negative numbers for the brightest stars.

The magni-tude scale is confusing beca-use it is an inverse scale, mean-ing that bright objects have small-er magnitudes than faint-er objects.

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cartographers can represent the spherical earth on a flat paper by making a

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b) By projecting, or casting shadows from the spherical world onto a flat piece of paper, cartographers can depict the spherical earth on a flat piece of paper.

A cartographer is what?

To produce maps that depict current trends, cartographers collect information and conduct studies on the geographic characteristics of a given area. These maps are produced by cartographers for governments and businesses for political, cultural, and educational objectives using art, science, and technology.

A practitioner who creates maps to convey spatial information is a cartographer. They acquire information using geodetic surveys, satellite photos, and other techniques to support local and regional planning, as well as environmental condition monitoring, by the government.

To describe a geographic area, the study of maps, or the profession of cartography, integrates science, technology, and art. Cartographers produce printed or digital maps that show details about a location's population density and demographics. These graphic aids assist in giving more details about a location.

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Correct question:

Cartographers can represent the spherical Earth on flat paper by making a(n) which is like casting shadows from the spherical world onto a flat piece of paper

a. unwarping

b. projection

c. flattening

d. peel​

I need the answer to this

Answers

Answer:

answer what?

Explanation:

answer to what lol???

what type of plate boundires where subduction zones occure

Answers

Answer:

Convergent Plate Boundaries

Explanation:

what negative consequences can occur if water from aquifers is overdrawn?

Answers

"The negative consequences can occur if water from aquifers is overdrawn is that, the aquifer can dry up, salt water intrusion, lower the level in neigh-boring aquifers."

An aquifer is a body of rock and/or sedi-ment that holds ground water. Ground water is the word used to des-cribe precipitation that has infiltrated the soil beyond the sur-face and collected in empty spaces under ground. There are 2 general types of aquifers: confined and un-confined.

Ground water over-draft almost always causes ground water level declines and sur-face water depletion, and some-times leads to degradation of ground water quality and land subsi-dence.

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a waterway that connects eastern europe to the north sea and northwestern europe...
a. Baltic Sea b. Mediterranean Sea
c. Main-Danube Canal
d. Main-Danube Canald. Oder River

Answers

C) A waterway that runs between the Main-Danube Canal in northwestern Europe and the North Sea in eastern Europe.

What is the waterway that links Eastern Europe to the North Sea and northern Europe?

the Main-Danube canal The Main-Danube canal links the Danube to the Main River. After being constructed for more than 30 years, the canal was finished in 1992. Hydroelectric power stations power many of the Main River's locks. The North Sea and Northwestern Europe are connected to Eastern Europe and the Black Sea by the Main-Danube Canal.

What is the Eastern European waterway?

The Main-Danube waterway, which was completed in 1992 and connects the Rhine to the Black Sea, allows vessels weighing 1,350 tons to travel between eastern and western Europe via Germany.

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Why is dew point a better measure of atmospheric moisture than RH?

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Because it gives a more accurate indication of the actual amount of water vapour in the air, dew point is a better indicator of atmospheric moisture than relative humidity (RH).

The ratio of the amount of moisture in the air to the maximum amount of moisture the air can contain at a specific temperature is known as relative humidity. Yet, because of the dependence of this measurement on both temperature and pressure, RH values may vary when the weather changes. Dew point, on the other hand, is the temperature below which water vapour cannot condense into liquid water. It is a precise measurement of the air's water vapour content that is not affected by temperature or pressure. Dew point offers a more accurate indication of the air's real moisture content, which is useful for understanding and forecasting meteorological conditions.

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Most computers can handle both file Activity 22: Raster and vector data 1. How many dimensions are occupied by: 1.1 a point​

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Vector data represents geographic data symbolized as points, lines, or polygons. Raster data represents geographic data as a matrix of cells that each contains an attribute value.

What is the meaning of geographic data?

Maps are a common way to communicate geographic data since it relates to a specific spot on the planet. Geodata, geospatial data, and GIS data are other terms for geographic information. You have access to different licensed geographic data as a member of the Lund University community or as an employee. However, there are also a lot of resources that are free to use.

The ISO/TC 211 family of standards describes geographic data and information as data and information containing an implicit or explicit link with a location concerning Earth. In addition to geodata and geoinformation, other names for it include geospatial data and information and georeferenced data and information.

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what process happens again and again in the rock cycle

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The rock cycle is a continuous process that describes how rocks are transformed from one type to another over time. The rock cycle involves three main types of rock: igneous, sedimentary, and metamorphic.

The following process occurs repeatedly during the rock cycle:

Weathering and erosion: The disintegration and erosion of existing rocks occurs as a result of exposure to weather, water, and other natural processes.

The eroded elements settle and are deposited in a new area, where they are crushed and cemented together to form sedimentary rocks.

Heat, pressure, and chemical reactions can convert existing sedimentary or igneous rocks into metamorphic rocks.

Melting and solidification: When exposed to extreme temperatures and pressures, rocks can melt and create magma. Igneous rocks are formed when magma cools and solidifies

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a volcanic eruption occurring beneath an ice sheet is likely to cause

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Answer:

A newly discovered volcano found buried beneath a thick layer of ice in Antarctica could speed up ice loss and raise global sea levels when it erupts, scientists say

Explanation:

What was the relationship between a pharaoh and a dynasty in egypt

Answers

Answer:

Pharaohs were more than just rulers. They were considered gods and were believed to possess the secrets of heaven and earth

Explanation:

A moving, glowing cloud of hot gases and volcanic pieces:A. was named with a Hawaiian term because it's so common there.B. is called a pyroclastic flow or nuée ardent.C. is so rare, none occurred last century.D. is associated with shield volcanoes.

Answers

A moving as well as glowing cloud of hot gases and the volcanic pieces is called a nuée ardent or a pyroclastic flow.

The correct option is option B.

A pyroclastic flow is basically a fast-moving current consisting of hot gas as well as volcanic matter which is collectively known as tephra, which happens to flows along the ground and away from a volcano at the average speeds of 100 km/h but it is also capable of reaching speeds as fast as 700 km/h.

Pyroclastic flows are considered as the most deadly of all the volcanic hazards and they are produced basically as a result of certain type of explosive eruptions.

Hence, the correct option is B.

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2.if you want to study life on the bottom of the ocean and need to observe a squid for a long period of time, but have limited funds, would you use an hov or rov? explain why you chose your answer.

Answers

Over a prolonged amount of time on the ocean below, a Remotely Operated Vehicle would be the most practical and acceptable choice for investigating squid behavior.

It would be more acceptable to utilize an ROV if you have limited resources and wish to research life on the ocean floor and monitor a squid for a long time (Remotely Operated Vehicle).

Robots attached to tethered ROVs can be remotely managed by a human operator from the surface. They have superior cameras as well as other sensors that can record in-depth observations of marine life in real-time.

Long-term deployment and maneuverability of ROVs are advantages over HOVs (Human Occupied Vehicles).

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What was Prometheus known for?

Answers

Prometheus was a Titan in Greek mythology, and it is said that he gave humanity the gift of fire by forming them out of clay.

In addition, he was renowned for disobeying the gods by stealing fire from Mount Olympus and giving it to humans, which infuriated Zeus and resulted in his punishment.

According to the myth, Prometheus was chained to a rock and had his liver eaten by an eagle each day, but each night, his liver would grow back, causing him unending suffering.

A Titan from Greek mythology, Prometheus (also spelled Prometheus), is credited with giving humanity the gift of fire and forming them out of clay. His intelligence and slyness were also well-known. on the basis of

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the president is attending a meeting in which the details of the nuclear plans, codes, and communications equipment are discussed. this is an example of the president acting as:
commander in chief
(5.2) the

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As the president is discussing details related to nuclear plans, codes, and communications equipment, this would be an example of the president acting in their role as commander in chief.

The commander in chief is the highest-ranking officer in the United States military and is responsible for making decisions related to national defense and security. In this role, the president has the authority to make decisions regarding the deployment of military forces, the use of nuclear weapons, and the overall defense strategy of the country.

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Nuclear power plants produce electricity using energy from the radioactive decay of
(a) uranium-235.
(b) uranium-238.
(c) plutonium-235.
(d) plutomium-238.

Answers

Nuclear power facilities use (A) uranium-235's radioactive decay to produce electricity.

What is uranium-235?

Around 0.72 percent of natural uranium is composed of the uranium isotope uranium-235 (also known as 235U or U-235).

It is fissile, which means that it may support a nuclear chain reaction, in contrast to the dominating isotope uranium-238.

Being a primordial nuclide, it is the sole fissile isotope found in nature.

The half-life of uranium-235 is 703.8 million years.

By 1935, Arthur Jeffrey Dempster had found it.

It has a fission cross-section of roughly 584.31 barns for slow thermal neutrons.

Electricity is generated by nuclear power plants using the radioactive decay of uranium-235.

It is around 1 barn for fast neutrons.

The majority of neutron absorptions lead to fission, although a small percentage produce uranium-236.

Therefore, nuclear power facilities use (A) uranium-235's radioactive decay to produce electricity.

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wind energy is increasingly relied upon to help meet global energy needs. wind energy can be used to generate electricity using wind turbines.Which of the following correctly identifies the sequence of energy conversions that occur in a wind turbine?a. Mechanical energy → kinetic energy → electrical energyb. Potential energy → mechanical energy → kinetic energyc. Kinetic energy → mechanical energy → electrical energyd. Potential energy → electrical energy → mechanical energy

Answers

Kinetic Energy - Mechanical Energy - Electric Energy correctly identifies the sequence of energy conversions that occur in a wind turbine.

What is wind energy?

In order to produce electricity, windmills are primarily used in wind power or wind energy. In comparison to burning fossil fuels, wind energy is a well-liked, environmentally friendly, green energy source. It is a type of renewable energy. Wind energy has historically been used to propel sails, windmills, and windpumps, but today it is primarily used to produce electricity. Numerous individual wind turbines linked to the electrical power transmission network make up wind farms. New onshore (on-land) wind farms are less expensive to build than new coal or gas facilities, but fossil fuel subsidies are impeding the growth of wind power.

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This process results in the biological breakdown of most of the organic matter in the sewage. What is that process ?

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Sewage treatment, also known as wastewater treatment, is the procedure that causes the majority of the organic content in sewage to break down biologically.

Particularly, biological treatment refers to the step in sewage treatment that causes organic materials in sewage to decompose. This entails using microorganisms like bacteria and fungi to break down the organic materials in the sewage and transform it into simpler molecules like water, carbon dioxide, and other harmless elements. Biological treatment is often carried out at sizable treatment facilities that use a number of tanks and procedures to clean the wastewater so that it can be released back into the environment or used for a variety of other reasons.

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A square lawn with a side length of 15 yards has a square shed built near the back, which has a side length of x yards. What are the factors that represent thearea of the yard that can be mowed?xn Essay on which you justify attitude and behaviour when dealing with conflict how to calculate the time dependence of the velocity components of an object moving like the rides seats. use this to calculate the objects acceleration? Find the diameter Find the circumference Find the AreaPlease solve When did Paul wrote 2nd Timothy? In paragraph 1, Johnson asks ALL Americans to join him in the cause. How does Johnson reinforce this concept of unity? Be sure to use evidence from the speech to support your response. Be sure to restate/address the prompt/question. Be sure to provide TWO examples from the text.Be sure to provide an explanation for your response. Prompt: How does the experience of being hungry and i n the camp affect Hannahs memory? In a few sentences, describe the way in which her mind seems to be playing tricks on her.Devils Arithmetic Which could be the function?f(x) = (x + 4)2f(x) = x2 + 4f(x) = (x 4)2f(x) = x2 4 the nurse understands which anesthetic medication is commonly used for short procedures on pediatric clients?A. FentanylB. MorphineC. MeperidineD. Hydromorphone Q26 There is a final-----of "Hamlet" on Wednesday. All the actors should be ready for it.A: discussionC: rehearsalB: workoutD: repetition how many times does a loop with the header for count in range (10): execute the statements in its body? a. 9 times b. 10 times c. 11 times d. 1 time gwendolyn uses the allowance method to account for uncollectible receivables. gwendolyn should record blank bad debt expense blank . multiple choice question. What are the 50 states in America in alphabetical order? name three countries located in the sahel region. The price of chicken breast rises from $3.00 to $3.60 per pound. In response to the price change, the demand for chicken breast falls by 25%. The absolute value of the price elasticity of demand for chicken breast is _____, and the price elasticity of demand is _____.a. 0.8; inelasticb. 1.25; inelasticc. 0.8; elasticd. 1.25; elastic What may acutely alcohol intoxicated patients require? 14.Base of heart is related to :a. Diaphragmb. Fundus of stomachc. Left lobe of liverd. Oesophaguse. Phrenic nerve _____ is the gap between what is and what is required. A. Want B. Needs C. Requirement in the absence of oxygen, cells capable of fermentation The binomial probability distribution is a __________ probability distribution that describes probabilities for experiments in which there are two __________ outcomes.discretemutually exclusive