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________ refers to the passage of shortwave and longwave energy,either through the atmosphere or water.A portion of arriving energy bounces directly back into space without being converted into heat or performing any work.This returned energy is called ________,and it applies to both visible and ultraviolet light.The reflective quality of a surface is its ________.Insolation encounters an increasing density of atmospheric gases as it travels down to the surface.These molecules redirect the insolation,changing the direction of light's movement without altering its wavelengths.This phenomenon is known as ________ and represents 7 percent of Earth's albedo.When insolation enters the atmosphere,it passes from one medium to another (from virtually empty space to atmospheric gas)and is subject to a bending action called ________.________ is the assimilation of radiation and its conversion from one form to another.

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Transmission.Reflect...

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Conduction refers to


A) the vertical movement of air in response to temperature-induced density differences.
B) strong vertical motions in the atmosphere.
C) the molecule-to-molecule transfer of heat energy that diffuses through the material.
D) the behavior of something.
E) the movement of heat energy toward the centre of Earth.

F) B) and E)
G) B) and D)

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C

The rougher a surface,the higher its albedo.

A) True
B) False

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The analogy of a greenhouse is


A) completely unrelated to our Earth-atmosphere system,and should never have been used to describe global warming.
B) exactly how the Earth-atmosphere system operates.
C) a useful,but inaccurate model since atmospheric gases do not trap,but absorb heat.
D) not accepted as a scientific consensus.
E) useful for increased crop production in Canada.

F) A) and C)
G) A) and D)

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In the surface energy budget,the term - SW↑ represents


A) heat.
B) incoming energy.
C) the albedo value of the surface.
D) NET R.
E) Q*

F) A) and D)
G) A) and E)

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Which of the following is true of insolation?


A) it is the smallest source of energy input driving Earth's atmospheric system.
B) it consists of diffuse and direct radiation.
C) it consists of direct radiation.
D) it varies little over the surface of Earth.
E) is not affected by atmospheric density.

F) A) and B)
G) A) and E)

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If the surface of Earth were to suddenly turn white,the temperature of the planet would ________ because ________ insolation would be absorbed.


A) decrease less
B) decrease more
C) increase less
D) increase more
E) remain the same equal

F) All of the above
G) C) and D)

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A

The coldest time of the year occurs in December at the time of the winter solstice.

A) True
B) False

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The greater the albedo of a surface,the less it is heated by insolation.

A) True
B) False

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The Moon has an average albedo similar to asphalt and black top.

A) True
B) False

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On a cloudy day,Earth's surface receives


A) direct insolation.
B) diffuse radiation.
C) direct radiation.
D) a reduced daylength.
E) no insolation.

F) C) and D)
G) B) and D)

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Refraction is responsible for rainbows and mirages.

A) True
B) False

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The Earth-atmosphere radiation system is best described by which of the following?


A) if the surface and the atmosphere are considered separately,neither exhibits a balanced radiation budget.
B) the surface exhibits an overall negative radiation balance.
C) the atmosphere exhibits an overall positive radiation balance.
D) only convection transfers heat energy to the atmosphere from the surface.
E) latent heat is not important in this system.

F) B) and D)
G) C) and D)

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Because of the process known as ________ the Sun appears above the horizon ________ it has actually risen.


A) transmission before
B) transmission after
C) refraction before
D) refraction after
E) reflection before

F) B) and D)
G) A) and B)

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The rising temperature of an absorbing surface can best be described by which of the following?


A) the hotter the surface,the shorter the wavelengths that are emitted.
B) the hotter the surface,the longer the wavelengths that are emitted.
C) the hotter the surface,the shorter the wavelengths that are absorbed.
D) the hotter the surface,the longer the wavelengths that are absorbed.
E) hotter surfaces are not affected by changing wavelengths of energy.

F) A) and B)
G) D) and E)

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The Arctic shipping season


A) has expanded by more than three weeks in the Arctic region.
B) has decreased as a result of increased sea ice that freezes in response to positive feedback from climate change.
C) does not vary over time.
D) is regulated by the recession cycle in Europe.
E) is not related to,or affected by climate change.

F) C) and D)
G) A) and B)

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Which of the following has the lowestalbedo?


A) pack ice off the coast of Antarctica
B) snow that is polluted and several days old
C) dry,light sandy soils
D) forests
E) the Moon

F) A) and D)
G) A) and E)

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Heat energy flows from objects that are hot to those that are cold.

A) True
B) False

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True

Why do the tropics have a positive net radiation while the poles have a negative value? How is the energy difference equalized?

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The sky (lower tropopause) appears blue in colour because of


A) reflection.
B) scattering.
C) absorption of blue wavelengths of visible light.
D) diffuse radiation.
E) cloud-albedo forcing.

F) All of the above
G) None of the above

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