Drinking tape water or direct river water as in rural areas VS drinking bottle water on health state , level of trace elements ?

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To know whether germ theory is correct or not ? and effect of contamination and sterilization of water

Whenever you drink from a river you must sterilize the water, with this they will be lost to evaporate some trace element, the water treated for consumption, they usually lose some more trace elements but normally it is similar

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