Safe drinking water is a life essential. Without pure, safe drinking water, the body and all of its intricate systems will shut down. We tend to take for granted that safe water will always be available. What are the proper measures to be taken when purifying unsafe drinking water? There may come a time that knowing how to purify water can mean life or death. The U.S. Environmental Protection Agency estimates more than ninety percent of the world’s water is contaminated by natural and unnatural causes.
There are many ways that water can become contaminated and unsafe to consume. Biological and toxic are the two main forms of contamination. Biological contamination is the presence of microorganisms, bacteria, and viruses. These can occur naturally in any supply and can potentially make consumption dangerous. Chemicals that enter the supply through pesticides, and pollution cause toxic contamination.
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the water supply will become a real problem in next future for us countries of the third world.i think the supply water will be very expensive all along the future.
all the best!