Fact 1: Agasoline lawn mower converts gasoline into motion.

Fact 2: Oil and gasoline are fossil fuels.

Given the two facts above, answer the question "What can convert fossil fuels into motion?" with the following options: 
- heat energy
 - to move people
 - lawn mowers
 - electric cars
 - fish
 - birds
 - vehicles
 - engines


 

   lawn mowers      