हिंदी

Define the following term: Air pollution

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प्रश्न

Define the following term:

Air pollution

परिभाषा
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उत्तर

Air pollution means degradation of air quality due to the concentration of harmful contaminants that affect human, plant, and animal lives. 

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अध्याय 8: Atmospheric Pollution - Exercise 8 (A) [पृष्ठ १३१]

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सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 8 Atmospheric Pollution
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