Answer:
B.Self powered
Explanation:
They move by themselves.Hope this answer helps you ;)
Answer:
what I got was 0.8435160945347224 moles
Copper choruses purpose is its used as a catalyst for organic and inorganic reactions , mordant for dyeing and printing textiles, pigment for glass and ceramics, wood preservative, disinfectant, insecticide, fungicide, and herbicide. (Not sure if you want the actual purpose of water or not)
It changes precipitation patterns, causes strong storms, and transfers warm and cold air.
