EVS: Environmental Pollution (Hindi) — Flashcards | B.Sc. Environmental Science | FatSkills

EVS: Environmental Pollution (Hindi) — Flashcards

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पर्यावरण प्रदूषण MCQs

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निम्नलिखित पराबैंगनी किरणों में से कौन-सा अधिक हानिकारक है?
UV – C
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