Question

Which of the following best explains why humans need constant supplies of fresh water?

Answer 1

There are no choices, but humans need a constant supply of fressh water because without it no human would survive. If there were salt water we cant drink it because its to salty and may be contaminated. Hope this Helps!

Answer 2

Answer:Constant supplies of freshwater are needed because body water is continually being lost.

Explanation: thats the answer