Fact 1: Coal is used to produce electricity by burning in coal-fire power stations.

Fact 2: Coal comes from anciently buried plants, and petroleum is from animals.

Given the two facts above, answer the question "What can ancienty buried plants produce?" with the following options: 
- nutrients
 - heat energy
 - scattered light
 - food and shelter
 - Earthworms
 - energy
 - eukyarotes
 - electricity


 

        electricity 