state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Knowledge Science Technology and Inventions
The presence of ozone in the _____ prevents Sun's Harmful ultraviolet (UV) radiations from reaching the Earth’s surface.
A. Troposphere
B. Mesosphere
C. Stratosphere
D. Thermosphere
1
C
2
B
3
A
4
D