Rachel Carson's book Silent Spring, published in the 1960s, ________
A) focused on chemical pollutants, including industrial chemicals
B) was concerned with birth defects in humans
C) awakened the American public to negative effects of artificial hormones
D) warned of insect pollinator losses through pesticide use
E) was the beginning of the first wave of U.S. environmental policy
A
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Nearshore productivity is almost always more productive than open ocean productivity
a. True
b. FalseWhat can not initiate a seiche?
A) Tides B) Storm surge C) Seabed displacement D) Internal waves
Ethanol production in the United States
A) is likely to decline soon, as the price for corn as food increases. B) accounts for only 5% of the U.S. crop. C) will likely increase, making less corn available to people and livestock as food. D) has not contributed to rises in corn prices.
The replacement of warmer surface water by colder waters from below is referred to as ____
a. drifting b. circulating c. rechanging d. upwelling