Advertisements
Advertisements
प्रश्न
Respiratory diseases are mainly caused by ______ pollution.
विकल्प
land
water
air
noise
MCQ
रिक्त स्थान भरें
उत्तर
Respiratory diseases are mainly caused by air pollution.
shaalaa.com
Environmental Pollution - Introduction
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
