Q: When fuel is burned, most of the energy is released in what form?


Read this paragraph and choose the correct option from the provided answers:

When fuel is burned, most of the energy is released as heat. Some of this heat can be used to do work. Heat cooks food or warms your house. Sometimes the heat is just waste heat. It still heats the environment, though.

 Choices:

- precipitation

- carbon dioxide

- humidity

- heat


A:
heat