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प्रश्न
______ is an undesirable change in the physical, chemical or biological characteristics of our air, land and water that may harmfully affect human lives or other species.
पर्याय
Pollution
Degradation
Management
None of these
MCQ
रिकाम्या जागा भरा
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उत्तर
Pollution is an undesirable change in the physical, chemical or biological characteristics of our air, land and water that may harmfully affect human lives or other species.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
