Although the polar regions radiate away more heat energy than they receive by insolation in the
course of a year, the insulating properties of snow prevents them from becoming progressively
colder each year. Indicate whether the statement is true or false.
false
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Which mass movement is very slow detected only by dislocation or bending of features at the surface?
A) slide B) creep C) slump D) fall
Which factor contributes least to the dissolving of subterranean limestone?
A) plant roots release carbon dioxide underground B) general acidity C) percolating ground water D) abrasive rubbing action of pebbles
Much of the carbon dioxide found in earlier atmospheres is currently locked up in
a. ?granite. b. ?volcanic rocks. c. ?sandstone. d. ?shale. e. ?carbonate rocks.
Earth's atmosphere can cause global warming because ________
A) warm air cannot escape, as in a greenhouse B) molecules in the atmosphere trap heat radiated from Earth's surface C) plants release CO2 D) plants absorb CO2 E) fossil fuels release heat when they are burned