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प्रश्न
Pollutant brings about
विकल्प
desirable change in environment
undesirable change in environment
initially desirable and then undesirable change in environment
no change in environment
MCQ
उत्तर
Pollutant brings about undesirable change in environment.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
