What do the electrons do in a Valteic cell

In redox reactions, electrons are transferred from one species to another. If the reaction is spontaneous, energy is released, which can then be used to do useful work. To harness this energy, the reaction must be split into two separate half reactions: the oxidation and reduction reactions.

i think it is true since you can test the answer and can use observations to complete it.

the answers would be

the first one and the second one