the worlds population in 1995 was approximately 6 billion and was expected to reach 12 billion in…

the worlds population in 1995 was approximately 6 billion and was expected to reach 12 billion in approximately 45 years. the period of 45 years is known as\n○ doubling time.\n○ life expectancy.\n○ overpopulation.\n○ natural increase rate.\n○ demographic transition.

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