Question 1

Which of the following cannot be attributed to the effects of Earthʹs rotation?

Accepted Answer

A)  Daylength
B)  Rise and fall of tides
C)  Deflection of the winds
D)  Deflection of the ocean currents
E)  Latitudinal variations in net radiationF) A) and D)
G) A) and C)

Question 2

Atmospheric pressure decreases with altitude.

Accepted Answer

A) True 
 B)False

Question 3

When does Earthʹs perihelion position,the point of orbit when it is closest to the Sun,occur?

Accepted Answer

A)  During the Northern Hemisphereʹs summer.
B)  During the Northern Hemisphereʹs winter.
C)  During the Northern Hemisphereʹs autumn.
D)  During the Northern Hemisphereʹs spring.E) A) and D)
F) A) and C)

Question 4

The Sunʹs principal outputs consist of the solar wind and radiant energy.

Accepted Answer

A) True 
 B)False

Question 5

The amount of CO2 in the atmosphere is higher now than any time in the last 800,000 years.

Accepted Answer

A) True 
 B)False

Question 6

What is the name of the location on the surface of Earth that receives insolation when the Sun is directly overhead? (When this occurs,the Sunʹs rays are perpendicular to this surface.)

Accepted Answer

A)  North Polar point
B)  Subsolar point
C)  Zenith
D)  Solar pointE) None of the above
F) B) and D)

Question 7

The elapsed time between two crossings of the equator by the Sun is known as the _________.

Accepted Answer

A)  parallelism.
B)  summer.
C)  inter-equinox.
D)  tropical year.E) None of the above
F) B) and D)

Question 8

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m (18,000 ft).

Accepted Answer

A) True 
 B)False

Question 9

The auroras in the upper atmosphere are caused by

Accepted Answer

A)  visible light interaction with the asthenosphere.
B)  the interaction of the solar wind and upper layers of Earthʹs atmosphere.
C)  various weather phenomena.
D)  AM radio broadcasts.E) B) and C)
F) A) and D)

Question 10

Sources of natural variable pollutants and materials include all of the following EXCEPT

Accepted Answer

A)  plants and decaying plants.
B)  industrial activity.
C)  forest fires.
D)  volcanoes.E) A) and D)
F) B) and C)

Question 11

Earthʹs rotation is described as

Accepted Answer

A)  west to east.
B)  north to south.
C)  east to west.
D)  clockwise when viewed from above the North Pole.E) None of the above
F) C) and D)

Question 12

Which of the following is NOT true of UV exposure?

Accepted Answer

A)  UV radiation varies spatially according to the season,local weather conditions,and overhead ozone depletion.
B)  UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index.
C)  UVA radiation is not filtered by the ozone layer and amounts for about 95% of all UV radiation reaching Earthʹs surface.
D)  Only exposure to UVA is a concern,not exposure to UVB and UVC.E) A) and B)
F) C) and D)

Question 13

Earth is closest to the Sun in early January.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is TRUE of Earthʹs orbit about the Sun?

Accepted Answer

A)  It is elliptical.
B)  It is perfectly circular.
C)  It takes approximately the same time for Earth as it does the rest of the planets in the solar system to orbit the Sun.
D)  The orbit does not vary over millions of years.E) A) and B)
F) All of the above

Question 15

Which of the following is TRUE of gases in the heterosphere?

Accepted Answer

A)  Nitrogen occurs at the top,followed in descending order by helium,oxygen and hydrogen.
B)  The nitrogen and oxygen occur at the top of the heterosphere and the hydrogen and helium at the bottom.
C)  The hydrogen,helium,oxygen and nitrogen are well mixed.
D)  The hydrogen and helium occur at the top of the heterosphere,and the nitrogen and oxygen at the bottom.E) All of the above
F) None of the above

Question 16

With regards to carbon monoxide (CO) ,which of the following is FALSE?

Accepted Answer

A)  Few effects of CO on humans have been identified.
B)  It is a colorless,odorless and tasteless gas.
C)  Anthropogenic CO is principally produced by automobiles.
D)  Natural CO is produced by decaying organic debris,forest fires,or organic matter decomposition.E) A) and C)
F) A) and B)

Question 17

Based on function,the atmosphere has

Accepted Answer

A)  five regions beginning with the outermost thermosphere.
B)  one continuous region.
C)  the troposphere and the stratosphere.
D)  two areas that absorb radiation from the Sun.E) A) and C)
F) C) and D)

Question 18

The Milky Way galaxy contains approximately 300 billion stars,of which the Sun is an average sized star.

Accepted Answer

A) True 
 B)False

Question 19

Why does temperature increase with altitude in the stratosphere?

Accepted Answer

A)  Ozone acts as a greenhouse gas which traps ultraviolet energy radiated by Earthʹs surface.
B)  Chlorofluorocarbons increase ozone concentrations,which enhance temperature.
C)  Ozone absorbs ultraviolet radiation from the Sun and then reradiates it at infrared wavelengths.
D)  Due to the effects of the normal lapse rate effectE) A) and B)
F) C) and D)

Question 20

Why is stratospheric ozone loss a concern?

Accepted Answer

A)  Stratospheric ozone contributes to the brilliant auroras.
B)  Stratospheric ozone is a component of photochemical smog.
C)  Stratospheric ozone absorbs harmful ultraviolet radiation (UVB and UV
C)  .
D)  Stratospheric ozone is a major greenhouse gas; its loss will contribute to the cooling of the planet.E) A) and B)
F) A) and C)

Exam 2: The Solar System,sun,and Earth

Based on function,the atmosphere has

Correct AnswerverifiedShow Answer

Which of the following cannot be attributed to the effects of Earthʹs rotation?

Correct AnswerverifiedShow Answer

Which of the following is NOT true of UV exposure?

Correct AnswerverifiedShow Answer

The Milky Way galaxy contains approximately 300 billion stars,of which the Sun is an average sized star.

Correct AnswerverifiedShow Answer

Why does temperature increase with altitude in the stratosphere?

Correct AnswerverifiedShow Answer

Earthʹs rotation is described as

Correct AnswerverifiedShow Answer

Why is stratospheric ozone loss a concern?

Correct AnswerverifiedShow Answer

The amount of CO2 in the atmosphere is higher now than any time in the last 800,000 years.

Correct AnswerverifiedShow Answer

The elapsed time between two crossings of the equator by the Sun is known as the _________.

Correct AnswerverifiedShow Answer

The auroras in the upper atmosphere are caused by

Correct AnswerverifiedShow Answer

Which of the following is TRUE of Earthʹs orbit about the Sun?

Correct AnswerverifiedShow Answer

Sources of natural variable pollutants and materials include all of the following EXCEPT

Correct AnswerverifiedShow Answer

When does Earthʹs perihelion position,the point of orbit when it is closest to the Sun,occur?

Correct AnswerverifiedShow Answer

Which of the following is TRUE of gases in the heterosphere?

Correct AnswerverifiedShow Answer

Earth is closest to the Sun in early January.

Correct AnswerverifiedShow Answer

With regards to carbon monoxide (CO) ,which of the following is FALSE?

Correct AnswerverifiedShow Answer

The Sunʹs principal outputs consist of the solar wind and radiant energy.

Correct AnswerverifiedShow Answer

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m (18,000 ft).

Correct AnswerverifiedShow Answer

What is the name of the location on the surface of Earth that receives insolation when the Sun is directly overhead? (When this occurs,the Sunʹs rays are perpendicular to this surface.)

Correct AnswerverifiedShow Answer

Atmospheric pressure decreases with altitude.

Correct AnswerverifiedShow Answer

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The amount of CO₂ in the atmosphere is higher now than any time in the last 800,000 years.

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