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प्रश्न
Peroxyacetyl nitrate (PAN) kills plants by ______.
विकल्प
leaching its nutrients
ageing them prematurely
shutting down photosynthesis
depleting their food
MCQ
रिक्त स्थान भरें
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उत्तर
Peroxyacetyl nitrate (PAN) kills plants by shutting down photosynthesis.
Explanation:
Peroxyacetyl nitrate (PAN) is a toxic component of photochemical smog (a type of air pollution). It is formed by the reaction of unburnt hydrocarbons and nitrogen oxides (NOx) in the presence of sunlight.
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