Water is a liquid of life, as there can be no life without water. Pure water is an animating fluid while polluted water is real curse for living being. According to a 2007 World Health Organization report,1.1 billion people lack access to an improved drinking water supply, 88% of the 4 billion annual cases of diarrheal are attributed to unsafe water and inadequate sanitation and hygiene, and 1.8 million people die from diarrheal diseases each year. Это и многое другое вы найдете в книге Physico-Chemical Analysis of water of BALCO area (Jyoti Rathore)
Physico-Chemical Analysis of water of BALCO area Jyoti Rathore (книга)
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