How do living organisms help purify water?

Why will you get a smaller volume at the end of a experiment than what you started with?

It is okay to taste your water at the end of an experiment? Why or why not?

3 answers

http://www.ec.gc.ca/eau-water/default.asp?lang=En&n=06F1403C-1

Whether you taste the water depends upon what you added to it.

If you don't know, do not taste it!

Thank You.

You're welcome.

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