An object at radiative equilibrium temperature is behaving as a ____.
A) selective absorber
B) blackbody
C) light reflector
D) greenhouse gas
Question 2In the polar front theory of a developing wave cyclone, the area of most intense weather is normally found to the ____ of the storm's center.
A) northeast
B) southwest
C) southeast
D) northwest
Question 3The Viking colony in Greenland perished during the ____.
A) Pleistocene epoch
B) climatic optimum
C) Little Ice Age
D) explosion of Mt. Pinatubo
Question 4Without the atmospheric greenhouse effect, the average surface temperature of Earth 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 5According to the model of the life cycle of a wave cyclone, the storm system is normally most intense as a(n) ____.
A) frontal wave
B) open wave
C) stationary wave
D) mature cyclone
Question 6Over the past approximately 100 years, it appears that average global temperatures have ____.
A) increased slightly
B) fluctuated widely but shown no overall change
C) decreased slightly
D) remained constant
Question 7The atmospheric greenhouse effect is due primarily to the fact that ___.
A) oxygen and ozone absorb ultraviolet radiation
B) nitrogen and oxygen transmit visible radiation
C) cloud formation releases latent heat energy
D) carbon dioxide and water vapor absorb infrared radiation
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