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Ocean water isるally and is unlithuman csnsumphien. How de you thin叫water' that we 'use

Answer» <p>After years and years of river inflow and evaporation, the salt content of the lakewaterbuilt up to the present levels. The same process made the seassalty. Rivers carry dissolved salts to theocean.Waterevaporates from theoceansto fall again as rain and to feed the rivers, but the salts remain in the ocean.</p><p>Salt waterisusedin the mining process, in industry, and in power generation. Theoceans alsoplaya vitalrolein the hydrologic cycle, in regulating the global climate, and inprovidinghabitats for thousands of marine species.Rivers obtain theirwaterfrom two sources: groundwater, and runoff.</p>


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