Which of the following is a secondary pollutant

primary and secondary pollutants | what are secondary pollutants

Which of the following is a secondary pollutant?

[a] Benzene

[b] Carbon monoxide

[c] Sulphur dioxide

[d] Ozone

Answer: Ozone

About Ozone

Ozone is a pale blue gas made up of three oxygen atoms bonded together. It occurs naturally at high levels in Earth’s atmosphere, where it protects the surface from harmful ultraviolet (UV) rays until destroyed by natural or human events. It is also considered a pollutant with adverse effects on humans and other creatures when present close to the ground.

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