A gasoline lawn mower converts gasoline into motion.
Gasoline is made up of hydrocarbons.
A lawn mower converts hydrocarbons into motion .
a lawn mower converts _  into motion

(a) kinetic energy
(b) flow of electrons
(c) hydrocarbons
(d) energy
(e) Greenhouse gasses
(f) heat energy
(g) fossil fuels
(h) Greenhouse gases