Multiple Choice
If the global population increases to 9 billion by the middle of the 21st century,which of the following would be necessary?
A) A global one-child policy
B) Universal health care coverage
C) A tripling of the amount of water used for irrigating cropland
D) A growth of 50- 70% in global food production over current levels
Correct Answer:

Verified
Correct Answer:
Verified
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