Which of the following contributed to an increase in world population in the 20th century?

asked Apr 20, 2018 160k views

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by CPhil

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4 votes

In the 20th century, there was an improvement in medicine and sanitation.

Zhao answered Apr 22, 2018

by Zhao

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2 votes

Your answer is "Improved medicine and sanitation". I hope this helps! :)

Have a great rest of the day.

Sampathsris answered Apr 25, 2018

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