If human-caused CO2 emissions were completely halted today, how long would it take for significant temperature drop to occur in the upper atmosphere?
a. ten to twenty years
b. twenty to fifty years
c. fifty to one hundred years
d. one hundred to one hundred fifty years
e. at least one thousand years
Question 2
What is the expected outcome on regional precipitation as a result of global warming?
a. Tropical wet regions will get wetter and mid-latitude dry regions will get drier.
b. Both tropical and mid-latitude regions will get drier.
c. Tropical wet regions will get drier and mid-latitude dry regions will get wetter.
d. Both tropical and mid-latitude regions will get wetter.
e. Both tropical and mid-latitude regions should stay the same.
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