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Question

In which part of the atmosphere, $O_{3}$ is present?
Mesosphere
Stratosphere
Troposphere
Lithosphere

A

Mesosphere

B

Troposphere

C

Stratosphere

D

Lithosphere

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Solution

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The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down.
The stratosphere is layered in temperature because $O_{3}$ here absorbs high energy UVB and UVC energy waves from the sun and is broken down into atomic oxygen $(O)$ and diatomic oxygen.

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