Throughout most of human history, families had many children because
A) children were a source of needed labor.
B) birth control was not reliable.
C) high death rates meant that many children did not reach adulthood.
D) All of these are correct.
Correct Answer:
Verified
Q43: Which of the following concepts refers to
Q44: If a nation has a sex ratio
Q45: Fertility refers to
A)life expectancy for a nation's
Q47: Demography is defined as the study of
A)democratic
Q49: Why are sex ratios usually below 100?
A)Because
Q53: The demographic measure called the "sex ratio"
Q54: The United States is a high-income country;
Q56: In terms of migration within the United
Q59: Assume a country has a population of
Q60: Which of the following four statements about
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