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2007-03-16 01:48:57 · 3 answers · asked by gean 1 in Science & Mathematics Chemistry

3 answers

um aquifers and limestone do you mean trough a water lab or nature? and for water lab it uses water purifiers but nature is aquifers and limestone and underwater um something forgot but i water runs for 10 Min. its purified

2007-03-16 01:53:27 · answer #1 · answered by yader s 3 · 0 0

There are many, but the most useful is reverse osmosis. The sample water is put under tremendous pressure so that the water passes through a semipermiable membrane that only allows water molecules to pass through it. In a nutshell.

2007-03-16 01:56:57 · answer #2 · answered by Kerry Q 2 · 0 0

sewer purification? or salt water desalination?

2007-03-16 01:51:57 · answer #3 · answered by SHAWN A 1 · 0 0

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