1939ForestryMedium
The presence of O3 in atmosphere of earth:
AHas been responsible for increasing the average global temperature in recent
BHinders higher rate of photosynthesis
CHelps in checking the penetration of ultra violet rays to earth
DIs advantageous since it supplies O2 for people travelling in jets
Correct answer
C. Helps in checking the penetration of ultra violet rays to earth
Explanation
The correct answer is Helps in checking the penetration of ultra violet rays to earth.