Fact 1: Coal is used for generating heat by burning.

Fact 2: Heat comes out the top and can be used for cooking or space heating.

Given the two facts above, answer the question "Food can be cooked using what?" with the following options: 
- lipids
 - energy
 - corn
 - fats
 - sugar
 - rice
 - Coal
 - oil


 

       Coal  