Earth's oceans

A) occupy half of Earth's surface.
B) each have different levels of salinity.
C) are joined so there is really one global ocean.
D) are continually forming new water molecules.


C

Environmental & Atmospheric Sciences

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The majority of methane hydrates are found along the eastern margin of North America

a. True b. False

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Emergent vegetation such as cattails and reeds grow in the ________ zone of a lake

A) benthic B) limnetic C) littoral D) aphotic E) profundal

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The regularity of the distribution of towns of the same size located about the same distance from each other and performing similar economic functions is explained by Christaller's ________.

A. central place theory B. network cities rule C. rank-size rule D. urban influence zone

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Followers of which religion in Central Asia have suffered persecution from Chinese authorities in Tibet?

A) Zoroastrianism B) Shiite Islam C) Judaism D) Sunni Islam E) Buddhism

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