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Select all that apply

Which of the following contributed to an increase in world population in the 20th century?
A) Improved medicine and sanitation
B) An increase in food production
C) Disease
D) An increase in the average life expectancy

Respuesta :

Tuniss
I believe it's A) Improved medicine and sanitation
DragonPharoah
A) Improved medicine and sanitation. Makes the most sense. 

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