Question 1

Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere,not chemical reactions.

Accepted Answer

A) True 
 B)False

Question 2

What percent age of the U.S.population lives with unhealthy levels of air pollution?

Accepted Answer

A)  41%
B)  62%
C)  59%
D)  33%E) A) and B)
F) A) and C)

Question 3

Which of the following lists the CORRECT sequence of gases,from most to least concentration,in terms of percentage within the homosphere?

Accepted Answer

A)  Oxygen,nitrogen,neon,hydrocarbons,carbon dioxide
B)  Nitrogen,oxygen,argon,carbon dioxide,trace gases
C)  Oxygen,ozone,nitrogen,PAN,carbon dioxide
D)  Nitrogen,argon,oxygen,xenon,carbon dioxideE) A) and B)
F) A) and C)

Question 4

A light-year is an astronomical unit of length equal to approximately 9.5 trillion kilometers.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following relationships is INCORRECT?

Accepted Answer

A)  December solstice - subsolar point is at 23.5 S latitude.
B)  June 21 - subsolar point is at 23.5 N latitude.
C)  September equinox - subsolar point is at 23.5° S latitude.
D)  March equinox - subsolar point is at 0° latitude.
E)  June solstice - subsolar point is at 23.5 N latitude.F) B) and D)
G) C) and E)

Question 6

At all times during the year,the circle of illumination

Accepted Answer

A)  divides Earth into eastern and western halves.
B)  divides Earth between equal halves of lightness and darkness.
C)  divides Earth between Northern and Southern Hemispheres.
D)  separates winter from summer.E) None of the above
F) B) and D)

Question 7

The uneven distribution of insolation by latitude is primarily a result of

Accepted Answer

A)  variation in the value of a watt.
B)  variability in the Sunʹs output.
C)  the changing distance of Earth from the Sun.
D)  Earthʹs curvature,which presents varied angles to parallel solar rays.E) A) and B)
F) B) and C)

Question 8

The thermopause refers to

Accepted Answer

A)  the Sunʹs surface.
B)  the solar atmosphere that extends into space.
C)  Earthʹs magnetic field.
D)  the top of Earthʹs atmosphere.E) None of the above
F) A) and B)

Question 9

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Accepted Answer

A) True 
 B)False

Question 10

The electromagnetic spectrum of radiant energy travels in waves at the speed of light in all directions from the Sun.

Accepted Answer

A) True 
 B)False

Question 11

Earth radiates energy primarily in the ultraviolet wavelengths.

Accepted Answer

A) True 
 B)False

Question 12

Earthʹs magnetosphere is generated by

Accepted Answer

A)  nuclear fission in Earthʹs core.
B)  dynamo-like motions in Earthʹs interior.
C)  gravitational accretion.
D)  nuclear fusion in Earthʹs core.E) C) and D)
F) None of the above

Question 13

The longest days of the year in the Southern Hemisphere are experienced at the Northern Hemisphereʹs

Accepted Answer

A)  spring equinox.
B)  autumn equinox.
C)  summer solstice.
D)  winter solstice.E) B) and D)
F) All of the above

Question 14

Which of the following is TRUE?

Accepted Answer

A)  Though infrequent,natural events that produce air pollution may cover large areas.
B)  Natural sources of air pollution are not a concern in terms of human health.
C)  Natural sources of air pollution are a relatively new occurrence.
D)  There is no reason to be concerned about natural sources of air pollution.E) A) and B)
F) A) and C)

Question 15

Which of the following is TRUE relative to insolation at the thermopause relative to latitude?

Accepted Answer

A)  Annually,lower latitudes receive more insolation than the higher latitudes.
B)  Annually,insolation is evenly distributed with little change by latitude.
C)  Insolation can only be measured longitudinally,not latitudinally.
D)  Annually,higher latitudes receive more insolation than lower latitudes.E) C) and D)
F) A) and B)

Question 16

Why are temperature inversion noteworthy regarding air pollution?

Accepted Answer

A)  Mesospheric conditions are replicated in the troposphere.
B)  Air pollution is completely inhibited from forming.
C)  Surface pollution is moderated by allowing surface air to mix with the air above.
D)  Vertical mixing of pollutants is halted,trapping the pollutants under the inversion layer.E) A) and C)
F) None of the above

Question 17

Which of the following is CORRECT relative to global net radiation?

Accepted Answer

A)  The highest positive net radiation is in midlatitude regions,especially over land.
B)  There is a latitudinal energy imbalance,with positive values at higher latitudes and lower at higher latitudes.
C)  Global net radiation is,more or less,equal,at all latitudes.
D)  There is a latitudinal energy imbalance,with positive values at lower latitudes and negative at higher latitudes.E) A) and C)
F) C) and D)

Question 18

According to the planetesimal hypothesis,solar systems condense from nebular dust and gas.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following best describes the direction of Earthʹs rotation?

Accepted Answer

A)  Clockwise.
B)  Eastward
C)  Counterclockwise
D)  Counterclockwise when viewed from the North Pole; clockwise when viewed from the South Pole,eastward when viewed from the equator.E) A) and B)
F) A) and C)

Question 20

List and describe the four main gases of the homosphere.Which is least important to life?

Accepted Answer

nitrogen,oxygen,argo...

Exam 2: The Solar System,sun,and Earth

According to the planetesimal hypothesis,solar systems condense from nebular dust and gas.

Correct AnswerverifiedShow Answer

Problems with air pollution occurred as far back in time as the Roman period (2000 years ago).

Correct AnswerverifiedShow Answer

The electromagnetic spectrum of radiant energy travels in waves at the speed of light in all directions from the Sun.

Correct AnswerverifiedShow Answer

The thermopause refers to

Correct AnswerverifiedShow Answer

Earth radiates energy primarily in the ultraviolet wavelengths.

Correct AnswerverifiedShow Answer

A light-year is an astronomical unit of length equal to approximately 9.5 trillion kilometers.

Correct AnswerverifiedShow Answer

Why are temperature inversion noteworthy regarding air pollution?

Correct AnswerverifiedShow Answer

The longest days of the year in the Southern Hemisphere are experienced at the Northern Hemisphereʹs

Correct AnswerverifiedShow Answer

Which of the following is TRUE?

Correct AnswerverifiedShow Answer

The uneven distribution of insolation by latitude is primarily a result of

Correct AnswerverifiedShow Answer

Which of the following relationships is INCORRECT?

Correct AnswerverifiedShow Answer

Which of the following is TRUE relative to insolation at the thermopause relative to latitude?

Correct AnswerverifiedShow Answer

Earthʹs magnetosphere is generated by

Correct AnswerverifiedShow Answer

List and describe the four main gases of the homosphere.Which is least important to life?

Correct Answerverifiednitrogen,oxygen,argo...View AnswerShow Answer

Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere,not chemical reactions.

Correct AnswerverifiedShow Answer

Which of the following is CORRECT relative to global net radiation?

Correct AnswerverifiedShow Answer

What percent age of the U.S.population lives with unhealthy levels of air pollution?

Correct AnswerverifiedShow Answer

Which of the following lists the CORRECT sequence of gases,from most to least concentration,in terms of percentage within the homosphere?

Correct AnswerverifiedShow Answer

Which of the following best describes the direction of Earthʹs rotation?

Correct AnswerverifiedShow Answer

At all times during the year,the circle of illumination

Correct AnswerverifiedShow Answer

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nitrogen,oxygen,argo...
View Answer

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