The two principal atmospheric atmospheric absorbers of terrestrial radiation are carbon dioxide and ________
water vapor
oxygen
nitrogen
ozone
water vapor
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The fact that the trees in central Alaska look like the trees in western Siberia, despite being separated by thousands of kilometers, illustrates the theory of
A) convergent evolution. B) multiple origins. C) global dispersal. D) plate tectonics.
The physical geographer would be most interested in studying which of the following types of vegetation?
a. grasses and shrubs domesticated by humans b. grains and fruits grown for human consumption c. flowers, shrubs, and grasses growing in the natural environment d. grains and grasses grown for livestock
Hurricanes are least likely to form
a. ?along the ITCZ. b. ?along the equator. c. ?with an easterly wave. d. ?when the trade wind inversion is weak. e. ?when the surface water temperature exceeds 25°C.
The maximum-sized particles that a stream can carry is called:
a. bedload b. capacity c. the maximum load d. competence