Given enough time, what factor is typically most important in soil formation?
A) climate B) bedrock type
C) slope direction D) months of snow cover
A
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How has glacial ice aided the study of climate change?
A) Glacial ice contains trapped air bubbles that archive former atmospheric carbon dioxide concentrations. B) Glacial ice only exists where temperatures are exceedingly cold. C) Glacial ice flows only under its own weight, so studies of glacial ice reflect climatic conditions. D) Glacial ice stores water that would otherwise enter the oceans and cause sea level rise.
Which kinds of molecules assist in the movement of lymphocytes into the blood?
A) chaperones B) cytokines C) lymphokines D) transporters
U.S. taxpayers pay the cost of any loss under the federal flood insurance program
a. True b. False
The air mass that originates over Mexico and the American Southwest is identified as ____
a. mP b. cP c. cT d. mT e. cA