Answer 7 b) Fast plzz.....
Dear Student,
(7b). Breathing in polluted air can cause :
1. Asthma
2. Bronchitis
3. Emphysema
4. Chronic obstructive pulmonary disease.
Regards
(7b). Breathing in polluted air can cause :
1. Asthma
2. Bronchitis
3. Emphysema
4. Chronic obstructive pulmonary disease.
Regards