As environmental protection increases,
A. the biggest marginal benefits are achieved first, smaller marginal benefits follow.
B. inexpensive and easy methods of reducing pollution begin to dwindle.
C. the more costly and innovative methods can be readily avoided.
D. in addition to a and b above, the quality of environmental protection increases.
D. in addition to a and b above, the quality of environmental protection increases.
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A) French B) Alpine C) Würm D) Stoss E) Bergschrund
To calculate population doubling time, you divide the number 72 by the rate of natural increase.
a. true b. false
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Indicate whether the statement is true or false