Nick is standing in the batting cage and swings the bat. as he swings, the end of the bat gains speed and a. potential energy b. chemical energy c. kinetic energy d. all of these

It would be C I hope this helps

is this for the e2020 class

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.