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>
I am pretty sure the answer is A but i'm not sure
The primary function of the carbon cycle is to recycle the supply of carbon on Earth.
Glaciers transport all sorts of dirt and boulders that build up to form moraines.