The ozone layer, composed of O3 (ozone) molecules in the stratosphere, absorbs most of the Sun's harmful ultraviolet radiation. O2 is ordinary oxygen we breathe, CO2 is a greenhouse gas, and SO2 is a pollutant.
protects the earth from harmful UV (Ultra-Violet) Radiation from sun.
CUET UG 2023 — General Test General Knowledge
2023mcqeasy
_______ protects the earth from harmful UV (Ultra-Violet) Radiation from sun.
Official previous-year question
Held on 5 Jun 2023 · Verified 13 Jul 2026.
Options
- A
O2
- B
O3
- C
CO2
- D
SO2
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