The star nearest the Earth is
A) the Sun.
B) Alpha Centauri.
C) Polaris.
D) the Moon.
A
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Which areas of the world are already facing and will most likely continue to face the most water scarcity?
A. Arctic and Antarctic B. Eastern and Western Europe C. Asia, Africa and the Middle East D. United States and Canada E. Australia and New Zealand
The equator receives vertical rays from the Sun year-round
Indicate whether the statement is true or false
A midlatitude cyclone forms in western Canada, and very rapidly moves through the Dakotas and passes over the Great Lakes region, bringing very cold temperatures with it. This storm would probably be called a(an):
A) Siberian Express. B) Panhandle Hook. C) Nor'easter. D) Alberta Clipper.
From a chemical standpoint, the three reacting agents of greatest importance to weathering are ________
A) hydrogen, oxygen, and nitrogen B) oxygen, nitrogen, and carbon dioxide C) carbon dioxide, oxygen, and water D) water vapor, nitrogen, and carbon dioxide E) argon, aluminum, and calcium