How much less solar radiation is received at 30oN latitude than at the equator?
a. 87%
b. 50%
c. 25%
d. 13%
d
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The role of the United Nations is to ________
A) develop international business cooperatives B) cooperate in solving international economic, social, cultural, and humanitarian problems C) make international laws regarding commerce and the environment D) maintain international environmental education standards E) regulate international travel, emigration, and immigration among member states
In geology, ________ usually means determining time equivalency of rock units.
A. superposition B. correlation C. lateral continuity D. unconformity E. physical continuity
________ describes the total sediment load transported by a stream.
a. Capacity b. Discharge c. Hydro-load factor d. Competence
Which of the following is a cause of respiratory acidosis?
A) a poor diet B) hyperventilation C) hypoventilation D) intense exercise