What can be used as an energy source by devices?
friction sunlight heat sun's heat Light cells wind oxygen
A B C D E F G H
Sunlight can be converted to electricity.
Sunlight can be  used as an energy source by devices
What can be used as an energy source by devices? (A) friction (B) sunlight (C) heat (D) sun's heat (E) Light (F) cells (G) wind (H) oxygen