Instructions: Choose one answer from each pair of selections. Evaporating precipitation beneath a thunderstorm will STRENGTHEN | WEAKEN the downdraft
STRENGTHEN
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Imagine that it rained continuously all over the world for a month. If we were to measure the depth of the oceans over a 5-day period near the end of the month, what would we observe?
A. Ocean depths fall steadily. B. Ocean depths stay the same. C. Ocean depths stay the same.
Judge the following sentence according to the criteria given below. Ice cubes rise to the top of a glass of water because ice is less dense than water
A) The assertion is correct but the reason is incorrect. B) The assertion is incorrect but the reason is correct. C) The assertion and the reason are both correct, and the reason is valid. D) The assertion and the reason are both correct, but the reason is invalid. E) Both the assertion and the reason are incorrect.
If 235U has 92 protons, how many neutrons does it have?
A) 25 B) 92 C) 143 D) 235
Chlorofluorocarbons
A) can release chlorine atoms which destroy ozone. B) are no longer used by humans. C) do most of their damage close to Earth's surface. D) reside primarily in the upper stratosphere. E) are perfect blackbodies.