Carbon dioxide is ________
A) the most potent (per molecule of gas) of the greenhouse gases
B) the only greenhouse gas presently increasing in the atmosphere
C) more potent (per molecule of gas) than methane
D) the most abundant greenhouse gas
E) produced during the combustion of fossil fuels
Answer: E
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Forty percent of the world's population lives in the developing world
Indicate whether the statement is true or false
In what area of the world did capitalism originate, and when?
A) East Asia, 10th Century B) Europe, late 15th and early 16th Centuries C) Middle East, 17th and early 18th Centuries D) South Asia, 4th through 7th Centuries E) Sub-Saharan Africa, late 12th Century
A front is a boundary where air masses of different temperature and moisture characteristics meet
a. True b. False Indicate whether the statement is true or false
Vapor pressure is defined as _________
A) the temperature at which the air becomes saturated B) the part of the total atmospheric pressure exerted by water vapor when the air is saturated C) the mass of water vapor in a unit of air compared to the remaining mass of dry air D) the part of the total atmospheric pressure exerted by water vapor E) the mass of water vapor in a given volume of air