On the average, about what percentage of the solar energy that strikes the outer atmosphere
eventually reaches the earth's surface?
a. 5
b. 15
c. 30
d. 50
e. 70
Question 2The albedo of the moon is 7. This means that:a.
7 of the sunlight striking the moon is reflected.
b. 7 of the sunlight striking the moon is absorbed.
c. the moon emits only 7 as much energy as it absorbs from the sun.
d. 93 of the sunlight striking the moon is reflected.
Question 3The combined albedo of the earth and the atmosphere is approximately:a.
4.
b. 10.
c. 30.
d. 50.
e. 90.
Question 4Which of the following gases are mainly responsible for the atmospheric greenhouse effect in the
earth's atmosphere?
a. oxygen and nitrogen
b. nitrogen and carbon dioxide
c. ozone and oxygen
d. water vapor and carbon dioxide
Question 5Without the atmospheric greenhouse effect, the average surface temperature would be:
a. higher than at present.
b. lower than at present.
c. the same as it is now.
d. much more variable than it is now.
Question 6If the earth's average surface temperature were to increase, the amount of radiation emitted from
the earth's surface would __________ and the wavelength of peak emission would shift toward
__________ wavelengths.
a. increase, shorter
b. increase, longer
c. decrease, shorter
d. decrease, longer
Question 7Air that rises always:a.
contracts and warms.
b. contracts and cools.
c. expands and cools.
d. expands and warms.
Quick Reply
