Compared to most stellar objects, quasars are more

A. energetic.
B. distant.
C. puzzling.
D. all of these
E. none of these


Answer: D

Environmental & Atmospheric Sciences

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What is NOT true about the extraction of groundwater?

A. Mining groundwater outpaces accumulation. B. It is considered a finite resource. C. Mining groundwater often leads to subsidence. D. It is called fossil water. E. Mining groundwater will always be a resource.

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The idea of continental drift was not proposed until the 1960s, when the first evidence to support it was discovered.

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

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Which soil formation characteristic will most strongly influence a soil when it is young? When it is old?

What will be an ideal response?

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The earliest known hominid fossils are from rocks that are ____

a. 1.5 million years old b. 700,000 years old c. 10,000 years old d. 7 million years old e. 4 million years old

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