The oceans of the earth cover approximately what percentage of the earth's surface?

A. 3%
B. 29%
C. 51%
D. 71%
E. 97%


Answer: D

Environmental & Atmospheric Sciences

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Answer the following statement true (T) or false (F)

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How much of the world's crude oil is found on the seafloor?

a. 25% b. 35% c. 45% d. 55%

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A) conduction B) convection C) radiation D) expansion E) insertion

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Which class of compounds is not widespread in nature, and has little importance in biochemistry?

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