Fossil fuels are a type of energy source that...
As organisms and plants died millions of years ago they ______ to the bottom of swamps and oceans and over millions of years and started ___________
What does decompose mean?

The three major fossil fuels are..

Coal is formed from...
Oil is formed or made from...

Natural gas is formed just like oil except with more heat + pressure...

Fossils fuels are not the worlds dominate energy source?
Fossil fuels can be abundant and cheap or scarce (limited) and expensive depending on
What does the word scarce mean?
Sample sentence: "The grocery store had a scarce supply of food, when the coronavirus pandemic first started!!!"

Fossil fuels are nonrenewable because once they are used
Replenished means to be replaced or put back... like a renewable resource, they are easy to reple

nish