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At higher levels of the atmosphere, what essential function does ozone perform?

Question
At higher levels of the atmosphere, what essential function does ozone perform?
It provides oxygen for breathing
It shields the Earth's surface from harmful ultraviolet (UV) radiation from the Sun
It absorbs visible light entirely
It generates rainfall
Answer
It shields the Earth's surface from harmful ultraviolet (UV) radiation from the Sun
Detailed Explanation
Ozone in the upper atmosphere performs the essential function of shielding the Earth's surface from the Sun's UV radiation. — Examisthan.com
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