Why are ocean waves generally larger than those on lakes?
a. ?The wind direction varies less over lakes.
b. ?Winds are always stronger over the ocean.
c. ?Fetch is much longer in the ocean.
d. ?Ships generating the waves are bigger in the ocean than on lakes.
e. ?Tsunamis are generated in oceans but not in lakes.
ANSWER: c
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All of the following are compounds EXCEPT ________
A) oxygen gas B) table salt C) methane D) glucose E) water
Which of the following is true about the Ogallala aquifer?
A. Water levels are dropping primarily because of overpumping. B. It is a confined aquifer so is replenished as fast as water is used. C. It was featured in the movie A Civil Action. D. None of these choices are correct.
As a cold front advances, the warm air is forced to
A. Retreat laterally and become more dense B. Go under the mass of cold air C. Fall, condense, and lose its moisture D. Rise, cool, and release its moisture E. Rise, become warmer, and absorb more moisture
earth's inner core is thought to consist of ________.
a - superheated water b - magma c - hydrogen/helium gas d - sulfur e - a rigid mass