C
in the first paragraph a fact is challenged
and the second one provides an example
A process in which molecules move across a semipermeable membrane until the number of molecules of water is nearly equal on both sides..
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<em><u>If</u></em><em><u> </u></em><em><u>this</u></em><em><u> answer</u></em><em><u> helps</u></em><em><u> you</u></em><em><u> </u></em><em><u>plz</u></em><em><u> </u></em><em><u>mark</u></em><em><u> as</u></em><em><u> brainlist</u></em><em><u>.</u></em><em><u>.</u></em></h2><h2>
<em><u>Tq</u></em></h2>