Freshwater
Freshwater is chemically defined as containing a concentration of less than two parts per thousand (<0.2%) of dissolved salts.
Freshwater can occur in many parts of the environment. ...
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Water is one of nature's most important gifts to mankind. it is essential to life and a person's survival depends on drinking freshwater. Water is vital to good health since it helps digest and abso...
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Freshwater
Fresh Water
