2. What is fuel?????
A material that is burned to give
energy.
We use energy to heat homes ,run cars and
airplanes which comes from fuel.
3. What are fossils fuels?
- a fuel that forms from the remains of
decayed plants and animals
-it can be used to produce electricity.
-Coal , natural gas and oil are fossils fuels.
21. A resources of energy that
cannot be replaced or reused
such as fossils fuels because it
takes millions of years to form
and once they are used up , they
are gone forever.