Seen Comprehension - 15 Alim

HOW THE ENVIRONMENT IS POLLUTED

Water, another vital element of the environment, is also polluted in different ways. Man pollutes water by throwing waste into it. Farmers use chemical fertilizers and insecticides in their fields. When rain and floods wash away some of these chemicals, they get mixed with water in rivers, canals and ponds. Mills and factories also throw their poisonous chemicals and waste products into rivers and canals and thus pollute the water. Water vehicles also pollute rivers by dumping oil, food waste and human waste into them. Unsanitary latrines and unsafe drains standing on rivers and canal banks are also responsible for further pollution. Thus, water is being contaminated by various kinds of waste and filth.