Environmental Sciences, asked by oscarpaul9727, 1 year ago

World population today is 6.8 billion. What was the population of the world when the first Earth Day was celebrated in 1970?
a. 2.7 billion
b. 3.7 billion
c. 4.7 billion
d. 5.7 billion

Answers

Answered by zahir79
4
2.7 billion is the population of the world when the first day was celebrated in 1970.
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