In an air parcel the average speed of the molecules is directly related to the air ____________________, and the molecules colliding against the parcel walls determine the air ____________________ inside
Fill in the blank with correct word.
ANSWER: temperature; pressure?
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A constitutional democracy would have the most difficulty in responding to
A. a threat of attack B. the possibility of long-range global warming C. an economic depression D. a labor strike E. a sharp increase in gasoline prices
Why are measurements of global carbon dioxide concentrations relatively higher during the northern hemisphere summer?
What will be an ideal response?
Judge the following sentence according to the criteria given below. Evidence for the erosion and modification of the landscape by the wind is not seen everywhere in desert climates because some places in the desert lack vegetation and have strong winds
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.
Monarch butterflies are threatened by the loss of _____ that they need to feed on along their migration path.
A. corn plants B. soybeans C. apple blossoms D. clover E. milkweed