The large peak in electrical generation from 2000 to 2005 represents the availability of large new amounts of
A) natural gas and renewable energy resources.
B) coal.
C) nuclear power.
D) hydroelectric power.
A
Environmental & Atmospheric Sciences
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Regions on the rain-shadow (leeward) side of mountains (such as the Rockies and Andes) are generally
A) humid continental. B) tundra. C) semi-arid. D) Mediterranean.
Environmental & Atmospheric Sciences
At the end of the Paleozoic era, _____ constituted about 90% of the known reptile genera
A)therapsids B)pelcyosaurs C)protorothyrids D)thecodontians E)amphibians
Environmental & Atmospheric Sciences
By what term do we call "the level of output generated by a given volume of inputs"?
A) Consumerism B) Productivity C) Growth D) Development E) Industrialization
Environmental & Atmospheric Sciences
According to plate-tectonic theory, plates of rigid, elastic ________ move over a weak plastic layer below.
A. mantle B. lithosphere C. asthenosphere D. core
Environmental & Atmospheric Sciences