National censuses reveal a drop in a nation's growth rate that occurs about 20 years before the number of persons added per year declined. This 20-year lag represents
A) new immigration policies that became law.
B) a drop in the number of people reaching reproductive age.
C) increased use of family planning techniques.
D) social pressures to reduce family size.
B
Environmental & Atmospheric Sciences
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A) 10 B) 25 C) 15 D) 2
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U.S. coasts with gently sloping plains, such as those along the Atlantic and Gulf of Mexico, are ________.
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Environmental & Atmospheric Sciences
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Environmental & Atmospheric Sciences