What percentage of solar radiation is reflected back into outer space by the albedo of the Earth?
A) 30%
B) 20%
C) 100%
D) 50%
Answer: A
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Ice tends to form at the
A. layer of water slightly below the surface. B. surface of bodies of water. C. bottom of bodies of water. D. indeterminate
Compared with the mass of a certain object on Earth, the mass of the same object on the Moon is
A) less. B) more. C) the same.
If a sediment is white in color, it is likely to be:
A) undergoing oxidation. B) terrigenous in origin. C) biological in origin. D) a nodular sediment.
What are the drawbacks of wind power?
a. Cluttering the horizon with towers may spoil a beautiful view b. The constant loud hum of the towers can disturb nearby residents c. The towers may be a hazard to migrating birds d. Offshore towers may interfere with marine life e. All of the above