Which of the following was not a consequence of the early heating of the earth?

A. formation of an atmosphere
B. release of abundant, free oxygen into the atmosphere
C. internal differentiation, forming a core, mantle and crust
D. formation of the oceans


Answer: B

Environmental & Atmospheric Sciences

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The portion of each meandering curve subject to the fastest water velocity undergoes the greatest erosive action. This action forms a steep

A) uppercut bank. B) cutback. C) meander scar. D) point bar. E) oxbow.

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Glacially derived wind deposited soil is called

A. loam. B. pedofers. C. loess. D. pedocals.

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If the half-life of carbon-14 is about 5,700 years, then of a given starting quantity, after 22,800 years (four half-lives), what fraction of the original amount will be left?

A. none B. 1/8 C. 1/4 D. 1/16

Environmental & Atmospheric Sciences

Although it has been largely phased out in most countries, the World Health Organization (WHO) supports the limited use of ____________________ to control the spread of malaria

Fill in the blanks with correct word

Environmental & Atmospheric Sciences