Airplanes may experience risks from volcanic eruptions that cannot be anticipated
a. True
b. False
ANSWER: True
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Where does the majority of oil pollution in the ocean come from?
A. blowouts (oil escapes under high pressure from a borehole on the ocean floor ) B. tanker accidents C. fisheries D. runoff from land E. cruise ships
You and your friend journey to the mountain foothills to get closer to nature and escape such things as radioactivity. While bathing in the warmth of a natural hot spring she wonders aloud how the spring gets its heat
What do you tell her? You tell her that the hot water is the result of A) industrial thermal pollution. B) radioactivity. C) chemical reactions involving the atomic nucleus. D) nuclear fission.
The gas ________ is the main absorber of ultraviolet energy in the atmosphere
What will be an ideal response?
The Roman Empire introduced______________ to Europe.
-currency -specialization of goods -exploration -both a common infrastructure and specialization of goods -a common infrastructure