What happens as electrons pass down the electron transport chain

The energy level decrease as electrons are passed along in electron transport.

Explanation:

preservation because he preserves part of the land and preserves means save

explanation:

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.