Question

what is the best description of what a battery does for a circuit? it forces protons to move through a circuit. it requires energy. it forces the electrons that are already in a circuit to be closer to each other which it forces the electrons to move through the circuit.

Explanation:

Una batería suministra fuerza electromotriz que impulsa el movimiento de electrones a través del circuito. Los electrones son los portadores de carga en los circuitos eléctricos, no los protones.

Answer:

It forces the electrons to move through the circuit.