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UGC NET 2026JuneEveningQ37MCQanswer pendingexplanation soonmedium
Environmental Science
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  1. A.
  2. B.
  3. C.
  4. D.
Official answer key is not available for this question yet.
Air PollutionSecondary PollutantTroposphereOzone
Next question · 2026 Q37