+1 vote
in Environmental Engineering by (81.4k points)
Which of the following are classified as major sources to air pollution?

(a) Fuel consumption by local citizens

(b) Sewage treatment plants

(c) Dry cleaning and laundries

(d) None of the mentioned

I got this question in an interview for internship.

I'm obligated to ask this question of Air Pollution topic in division Air Pollution of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
The correct answer is (b) Sewage treatment plants

To elaborate: Sewage treatment plants pose as a major contributor to air pollution because of the discharge of gases such as methane, oxides of sulphur and nitrogen.

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