whitemonkey whitemonkey

15-02-2019
History

contestada

Air Pollution first a widespread problem

A) about 100 years ago
B) during the 1700s
C) 100,000 years ago
D) during the 1200s

Respuesta :

IgotNobrain IgotNobrain

15-02-2019

If you are talking about the first air pollution problem its is A, almost about 100 years ago.

1955

Answer Link

narcisomtz123 narcisomtz123

28-03-2020

Answer:

B. during the 1700's

Explanation:

Answer Link

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