Skip to content
Early access — you're among the first to try PYQLabs. Share feedback
UGC NET 2023JuneEveningQ138MCQanswer pendingexplanation soonmedium
Environmental Science
Back to Environmental SciencePreviousNext question
हिंदी version
  1. A.
  2. B.
  3. C.
  4. D.
Official answer key is not available for this question yet.
ozone depletionODPCFCHCFChalons
Next question · 2023 Q138