Answer the following questions to write a paragraph on 'Water Pollution'.
(a) Why is water an essential element of nature? (b) How can it be harmful? (c) How! can it be polluted?, (d) How can it be purified? (e) Why is it necessary to drink pure water?
WATER POLLUTION
The thing which makes the world most worried now is various kinds of wastes and various kinds of pollution. Our environment comprises the elements that surround us. Air, water, the sun, the moon, weather, climate and everything fall under the category of the environment. Thus, the environment makes us survive. But this environment is polluted in various ways. Water pollution-is one of them. Water is an essential element of nature because our entire existence depends on it. It is said that without food, a man can live several days but without water he can hardly live just a few davs. But only pure water can be termed as life. Water pollution means contamination of surface and drinking water to the extent that they are harmful to use. The water filled with filth, dust and germs can be harmful to human life. Water may be polluted in different ways. Men pollute water by discharging domestic and industrial wastages, wastes and filth, poisonous chemicals and carrosines. Mills and factories throw their chemical wastes into rivers and canals and thus pollute water. In the rural areas, farmers use pesticides and chemical fertilizers which are washed away by rain and flood, pollute water. Pilfering of oil from water vehicles, etc. pollute water. Through proper management of wastes, we can minimize water pollution. Water can be purified by boding it for twenty minutes. Purification tablets can be used for the purpose. Pure water is free from all dangers and it is life blood of our existence and good health. So, we all should drink pure water.
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