The genus and the Species
Answer<u>:</u><em><u>C. Population size determines water demand</u></em>
Explanation:Population size determines water demand. Water is needed for household use, sanitaion,farming, and industrail use,so when the population increases,water demand increase.
<em>Hope this is right(-)-) </em>
<em><u>For study island</u></em>
When taking a tissue culture for thoes who have cancer it allowes for more of a trial error method. When a tissue culture is collected the scientist/doctors get to test procedures on it to see what teatment works best for you. With out them there would be many people taking medicins that dont even help them with their condition; and in few cases could make it worse. Just saying tissue culturs' are a huge advancement in technology, and science.