5
Question
Ozone layer is harmful when present in ____ and protects life when present in____ .
Ozone layer is harmful when present in ____ and protects life when present in____ .
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Solution
The correct option is A Troposphere, stratosphere
Troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% ofthe atmosphere's mass and 99% of its water vapour and aerosols.
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; ozone here absorbs high energy UVB and UVC energy waves from the Sun and is broken down into atomic oxygen (O) and diatomic oxygen. Atomic oxygen is found prevalent in the upper stratosphere due to the bombardment of UV light and the destruction of both ozone and diatomic oxygen.
Troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% ofthe atmosphere's mass and 99% of its water vapour and aerosols.
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; ozone here absorbs high energy UVB and UVC energy waves from the Sun and is broken down into atomic oxygen (O) and diatomic oxygen. Atomic oxygen is found prevalent in the upper stratosphere due to the bombardment of UV light and the destruction of both ozone and diatomic oxygen.
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