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Home Q & A Board Biology-Related Homework Help General Biology
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tpost99 tpost99
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6 years ago
Replacement-level fertility requires a total
  fertility rate of
  a. 2.0
  b. 2.1
  c. 2.4
  d. 2.6
  e. 2.8

Question 2

It took more than 100,000 years for the human
  population to grow to one billion individuals
  and took about ____ years to add five billion
  more.
  a. 200
  b. 20,000
  c. 100,000
  d. 200,000
  e. 500,000
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davomujadavomuja
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6 years ago
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tpost99 Author
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#2
6 years ago
Upwards Arrow All were right, you're seriously the best
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