Please answer these for my friend she has to turn it in today. will givefive stars and thanks she will do the same

Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy. While energy can be transferred or transformed, the total amount of energy does not change – this is called energy conservation.

Explanation:

since electrons are negative the answer is neagtaive

it’s previous models   because when i picked that son of a gun’s answer it was wrong look for previous models because they might make it a different letter