When you strike a tuning fork the air, its sound will be louder when the fork is held
A. with its prongs in shallow water.
B. with its base against a tabletop.
C. in the air.
D. in your closed fist.
Answer: B
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Weak tornadoes sometimes form along a thunderstorm gust front
a. true b. false
Hurricanes are
A) cold-core systems with high pressure aloft. B) cold-core systems with low pressure is a. C) warm-core systems with high pressure aloft. D) warm-core systems with low pressure aloft.
Some taboos against eating pork may be partly explained because
A) pigs are not well-suited to hot, arid environments. B) pigs did not originate from those regions. C) pigs are filthy animals. D) of genetically transmitted food allergies. E) other meats are preferred.
Construction of the Three Gorges Dam in China resulted in the displacement of over 1 million people.
Answer the following statement true (T) or false (F)