Which of the following contributes the most to the greenhouse effect?
A) Carbon dioxide (CO2)
B) Chlorofluorocarbons (CFCs)
C) Methane (CH4)
D) Nitrous oxide (N2O)
E) Water vapor
E
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The presence of ____________ on a planet could be an indication of past or present forms of life. Fill in the blank(s) with the appropriate word(s)
Sea surface temperature forecasts are based on
A) an analog statistical model. B) a "canonical" statistical model based on correlations measured over space and time. C) a numerical model. D) all of the these
The total fertility rate was most significantly increased by the
A) Industrial Revolution. B) Medical Revolution. C) Green Revolution. D) Neolithic Revolution.
The amount of heat required to raise the temperature of a sample of water is referred to as the ________heat.
A. specific B. greenhouse C. condensation heat D. latent