Which of the following is NOT a primary pollutant?
A. Ozone
B. Nitrogen oxides
C. Carbon monoxide
D. Sulfur dioxide
Answer: Option A
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:
During a La Niña event, the Walker Circulation strengthens as the trade winds intensify, pushing warm water further westward in the Pacific. This often results in heavy rainfall in Southeast Asia and Australia.
Explanation:
The IOD is a climate pattern characterized by differences in sea surface temperatures between the western and eastern Indian Ocean, which affects monsoon rainfall.
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