state gov TNPSC Group 4 (தமிழ்நாடு குழு IV) Mock Test 2025 General Knowledge Geography (World Geography) Climatology
Why ozone present in the ozone layer of the atmosphere is important?
1
It gives oxygen on dissociation.
2
It shields other gases.
3
It absorbs a large proportion of the sun's ultraviolet radiation.
4
Absorbs and destroys greenhouse gases.