Which of the following statement about ozone is correct?
A. it is essential for breathing
B. it absorbs ultraviolet rays
C. its proportion in air is about 3%
D. it is mainly responsible for global warming

Academic Chemistry NCERT Class 8

Correct Answer: D. it is mainly responsible for global warming

Explanation: The ozone layer in the upper atmosphere prevents ultraviolet radiations of the sun from reaching the earth.

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Updated on: 10-Oct-2022

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