Clouds do all of the following, except
A) reflect solar energy.
B) emit longwave radiation.
C) absorb longwave radiation.
D) help close the atmospheric window.
E) none of the above
Question 2The atmospheric window
A) is relatively transparent to infrared radiation.
B) does not correspond with the peak of Earth's emitted energy.
C) prevents Earth's heat from escaping into outer space.
D) is closed during winter.
E) all of the above
Question 3Water vapor
A) does not absorb shortwave radiation.
B) does not absorb longwave radiation.
C) both absorbs and emits longwave radiation.
D) emits longwave radiation, but does not absorb it.
E) does not contribute to the greenhouse effect.
Question 4At 60 degrees north latitude, maximum solar energy would strike the top of the atmosphere on approximately
A) March 21.
B) June 21.
C) September 21.
D) December 21.
E) Groundhog Day.
Question 5The amount of solar energy hitting a certain latitude is affected by
A) the amount of atmosphere through which the rays travel.
B) the solar zenith angle.
C) the number of hours of daylight.
D) changes in the solar constant.
E) all of the above
Question 6All parts of Alaska have 12 hours of daylight on the
A) summer solstice and vernal equinox.
B) vernal equinox and the autumnal equinox.
C) autumnal equinox and summer solstice.
D) summer solstice and winter solstice.
E) winter solstice and the vernal equinox.
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