Which of the following is NOT a primary pollutant?
A. Carbon monoxide
B. Ozone
C. Sulfur dioxide
D. Nitrogen oxides
Answer: Option B
Solution (By JKSSB Mock Tests)
Ozone is not a primary pollutant; it is a secondary pollutant. Primary pollutants are emitted directly into the atmosphere, such as carbon monoxide, sulfur dioxide, and nitrogen oxides.
Explanation:
Heat wave conditions in northern India during summer are caused by intense solar radiation, hot dry winds (loo) from the Thar Desert, and clear skies that allow maximum heating of the land surface.
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