+1 vote
in Environmental Engineering by (81.4k points)
What is the GWP of methane over a time period of 20 years?

(a) 86

(b) 34

(c) 43

(d) 67

I have been asked this question during an internship interview.

My doubt is from Greenhouse Gases topic in portion Atmosphere & Greenhouse Gases of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
Correct answer is (a) 86

Explanation: According to IPCC methane which has a 12.4 years lifetime, has a GWP of 86 over a period of 20 years.

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