Is a hard fossil fuel
Answers
Answered by
2
Answer:
It took millions of years to form these layers into a hard, black rock-like substance called coal, a thick liquid called oil or petroleum, and natural gas—the three major forms of fossil fuels. ... It is best not to waste fossil fuels as they are not renewable.
Answered by
1
Answer:
It took millions of years to form these layers into a hard, black rock-like substance called coal, a thick liquid called oil or petroleum, and natural gas—the three major forms of fossil fuels. ... Coal is either mined or dug out while oil and natural gas are pumped out.
Similar questions