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What is the lowermost layer of the earth?

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in Chemistry – Class 11 by (148k points)
What is the lowermost layer of the earth?

(a) stratosphere

(b) troposphere

(c) ionosphere

(d) mesosphere

The question was asked at a job interview.

Asked question is from States of Matter in division States of Matter of Chemistry – Class 11

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Correct option is (b) troposphere

To explain I would say: It is the lowest layer of the earth’s atmosphere and is held to the earth by the gravitational force. It is very vital for human life and it protects us from harmful radiation. It contains important molecules like dioxygen, carbon dioxide, water vapor, etc.

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