List two major harmful effects of each of the following : (i) Rivers c

1.	List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers
Answer» List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing $C O_{2} a n d S O_{2}$ . (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers

List two major harmful effects of each of the following : (i) Rivers contaminated with sewage. (ii) Too much gaseous exhausts containing CO2 and SO2. (iii) Pesticides such as DDT used in agriculture. (iv) Prolonged noise such as the one produced by crackers

Answer»

List two major harmful effects of each of the following :

(i) Rivers contaminated with sewage.

(ii) Too much gaseous exhausts containing $C O_{2} a n d S O_{2}$ .

(iii) Pesticides such as DDT used in agriculture.

(iv) Prolonged noise such as the one produced by crackers