Batteries involve the flow of electricity from one metal to another. what happens to these metals to cause the batteries to, eventually, stop working?

Which is not a step in the rock cycle?

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp