Question

Lt protects us Frome the harmful rays of sun ​

Answer 1

Answer:

About Ultraviolet (UV) Radiation and Sun Exposure

Fortunately, the Earth's atmosphere protects us from most UV radiation. ... The atmosphere does little to shield these rays—most UVA radiation reaches Earth's surface.

Answer 2

Answer:

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About Ultraviolet (UV) Radiation and Sun Exposure

Fortunately, the Earth's atmosphere protects us from most UV radiation. ... The atmosphere does little to shield these rays—most UVA radiation reaches Earth's surface.