Mis yog acidic, tab sis los ntawm cov qauv dav dav, nws yog cov khoom noj alkaline. Yog tias ib yam khoom noj muaj ntau cov tshuaj chlorine, sulfur lossis phosphorus, cov khoom lag luam metabolic hauv lub cev yuav yog acidic, ua rau nws cov khoom noj acidic, xws li ...
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