The ozone layer protects us from harmful UV - B radiation & UV - C radiation- Environment & Biodiversity

Q.  The ozone layer protects us from harmful
- Published on 28 Aug 15

a. UV - A radiation
b. UV - B radiation
c. UV - C radiation
d. Both b and c

ANSWER: Both b and c
 
All UVC is blocked by diatomic or by ozone (triatomic oxygen) in the atmosphere. The ozone layer then blocks most UVB. UVA is hardly affected by ozone and most of it reaches the ground.

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