Sweating process is important . Why? ​

I am only able to give a short answer but;

It cools the body down.

I think it helps you cool down A little but, and gets axtra salt out if your body, but I am not sure if that is true

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

it is either c or d and i know for sure it is not a or b