The ozone layer protects living things from
Answer and explanation
Correct answer: B. harmful ultraviolet radiation
- Step 1: The stratospheric ozone layer, situated approximately above the Earth's surface, contains high concentrations of ozone molecules ().
- Step 2: Ozone molecules absorb short-wavelength solar ultraviolet radiation (particularly harmful UV-B and UV-C rays), protecting terrestrial living organisms from DNA damage, skin cancers, and cataracts.
Answer
harmful ultraviolet radiation.
Why not the others: Cosmic dust consists of extraterrestrial microscopic particles; infrared radiation causes atmospheric thermal heating; and radio waves pass through the atmosphere.
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