Gliding animals have evolved structures that
A) increase their surface area.
B) slow their fall.
C) increase their air resistance.
D) all of the above
D
Environmental & Atmospheric Sciences
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Which is the most widely used energy source in poor, less-developed countries?
A. solid biomass B. liquid biomass C. wind D. geothermal
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The depth of weathering is usually greatest in the ________
A) tropical forest B) boreal forest C) desert D) tundra E) Antarctic
Environmental & Atmospheric Sciences
Which of the following conditions would most cause water to rise to the surface?
A) Warming freshwater B) Cooling freshwater C) Cooling saltwater D) Warming saltwater
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