This compound is a powerful oxidizing agent and a harmful pollutant; yet a layer of it in the upper stratosphere serves as a shield from harmful ultraviolet radiation from the sun.
A)CO₂
B)O₂
C)SO₃
D)O₃ (ozone)

Question

Quizplus · Accepted Answer

Ozone is a powerful oxidizing agent and a harmful pollutant when present in the lower atmosphere, where it contributes to smog formation. However, in the upper stratosphere, ozone forms a layer that serves as a shield that absorbs harmful ultraviolet radiation from the sun. This protects life on Earth from the damaging effects of UV radiation, including skin cancer, cataracts, and damage to plants and other organisms.

This Compound Is a Powerful Oxidizing Agent and a Harmful