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Comprising over 70% of the Earth’s surface, water is undoubtedly the most precious natural resource that exists on our planet. Without the water life Earth would be non-existent, it is essential for everything on our planet to grow and prosper. Although humans recognize this fact, we disregard it by polluting our rivers, lakes and oceans. Water pollution causes a number of problems such as diseases and killing the fishes. This essay will argue that the water pollution includes industrial effluent, flooding and thermal pollution. However, there are some solutions to prevent these problems like make a law to control water pollution or make dams to stop the flooding etc.

First of all, one of the main causes of water pollution is industrial effluent, because the factories let the polluted water go into the lakes or rivers, and make the water polluted. The industry water contains various kinds of chemicals like acid, hydroxide which are harmful to the water and to aquatic life. If people drink the water, which is polluted, it can cause cancer, suppress immune systems and disrupt hormones. Also illegal dumping of chemical kill the nature lives in the river like fish, crab, etc.

As a matter of fact flooding as well causes water pollution. Floodwater is combined by normal water, runoff water, rain, and possible other kinds of water, which are dirty and full of pollution. Also,where the floodwater goes over any places, the water in the area are polluted. And floodwater contains various kinds of viruses which could cause bad disease. For instance, as a result of serious flooding, the World Health Organization (WHO) has recorded that in 1999 people were killed when an epidemic of leptospirosis spread. In fact, China floods annually. People died from the diseases which cause by the flood such as infectious diarrhea, hepatitis A, conjunctivitis and malaria. Floods affect more cultivated and total land area than other types of nature disease...