Question

(5) How does river water get polluted?
(6) Which water sources are polluted by gutters?
(7) Which diseases are caused by water pollution ?​

Answer 1

5)RAIN WASHES OFF THE HUMAN EXCRETA AND ANIMAL WASTE NEAR THE WATER SOURCES. MANY INDUSTRIES PRODUCE WASTE MATERIALS WHICH ARE OFTEN DISCHARGED INTO RIVERS. FARMERS USE CHEMICAL FERTILIZERS AND PESTICIDES IN THEIR FIELDS...HOSPITAL WASTE CONTAIN MANY GERMS AND HARMFUL CHEMICALS WHICH ARE DISCHARGED INTO WATER.

6) Traditional “curb and gutter” drainage systems rapidly move polluted stormwater runoff to streams and rivers, causing increased flooding, erosion, and water pollution downstream into runoff.

7) Jaundice,cholera, giardia, typhoid etc