Saturday 12 March 2016

human biology - At what saltiness will water simply pass through us?


If water has a low salt content, it hydrates us. When water has too high salt concentration, like sea water, it drains water out of us instead when we drink it. At what salt concentration would water leave us completely unaffected?




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evolution - Are there any multicellular forms of life which exist without consuming other forms of life in some manner?

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