Air Pollution first a widespread problem

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

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Grade: Education Subject: history
Air Pollution first a widespread problem

A) about 100 years ago
B) during the 1700s
C) 100,000 years ago
D) during the 1200s
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Best Answer
(110)
If you are talking about the first air pollution problem its is A, almost about 100 years ago.

1955
(101)

Answer:

B. during the 1700's

Explanation: