In a circult, a battery is used to

1. slow down current
2. conduct current
3. raise the potential of electrons
4. convert electrical energy into some other form of energy

4. convert electrical energy into some other form of energy

that would be because of both gravity and friction. so     c

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods