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Water is one of the essential element for the human race, it is a life making compound. At first we have to know mainly drinking waters are vastly polluted. In some cases the brackish water also polluted now a days. The black foot desies, cracking of teeths is due to the arsenic(As) and fulorine(F2) presence in the polluted water. It has been said that 60% to70% are casued by the water. As water is a life maintainig compound so it is necessary to keep the water pollution free. Water pollutions has also secondary effect for other pollutions. So save it!

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14y ago

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