Chemical Engineering - Environmental Engineering - Discussion

Discussion Forum : Environmental Engineering - Section 6 (Q.No. 4)
4.
Which of the following is a manmade source of air pollution ?
Automobile exhaust.
Forest fire.
Bacterial action in soil and swamp areas
All (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Abenit said:   6 years ago
Please describe the answer.

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