Freshwater

Water naturally occurring on the Earth's surface (lakes, rivers, etc) and underground (groundwater in aquifers and underground streams). Freshwater is characterized by having low concentrations of dissolved salts and other total dissolved solids. The term specifically excludes seawater and brackish water.

Freshwater

Water naturally occurring on the Earth's surface (lakes, rivers, etc) and underground (groundwater in aquifers and underground streams). Freshwater is characterized by having low concentrations of dissolved salts and other total dissolved solids. The term specifically excludes seawater and brackish water.

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