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in Environmental Engineering by (81.4k points)
Which of the following mentioned layers is NOT a homosphere?

(a) Exosphere

(b) Troposphere

(c) Ionosphere

(d) Mesosphere

I had been asked this question during an interview.

Query is from Atmosphere topic in chapter Atmosphere & Greenhouse Gases of Environmental Engineering

1 Answer

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Best answer
The correct answer is (a) Exosphere

The best explanation: Homospheric layers of atmosphere include layers where chemical composition is independent of molecular weight of gases due to mixing by turbulence. Hence the lower layers such as troposphere, ionosphere and mesosphere are homospheres.

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