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in Communication Systems by (48.1k points)

Biological importance of ozone layer is 

(a) ozone layer controls O2 / H2 ratio in atmosphere 

(b) it stops ultraviolet rays 

(c ) ozone layer reduces green house

(d) ozone layer reflects radio waves

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1 Answer

+1 vote
by (48.5k points)

(b) it stops ultraviolet rays

 Ozone layer stops ultraviolet radiation.

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