5. Which of the following has not
been responsible for the rapid growth of the human population?
The answer is b, increased birth rates.
In reality, the other answers have all increased while the world's birth rates
have declined significantly. Increasing the other factors means that more people
are able to survive, and thus the world population increases.
a. improved sanitation
b. increased birth rates
c. increased food production
d. the development of antibiotics
and other medicines
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