Select all that apply. Which of the following contributed to an increase in world population in the 20th century?Improved medicine and sanitation
An increase in food production
Disease
An increase in the average life expectancy

The answer on which of the following contributed to an increase in world population in the twentieth century is all of the things given above. The improved medicine and sanitation, the increase in food production, Disease and the increase in the average life expectancy all contributed to the increase of world population.

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Select all that apply. Which of the following contributed to an increase in world population in the 20th century?Improved medicine and sanitation An increase in food production Disease An increase in the average life expectancy

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Select all that apply. Which of the following contributed to an increase in world population in the 20th century?Improved medicine and sanitation
An increase in food production
Disease
An increase in the average life expectancy