When carbon-rich plants and animals get buried for hundreds of millions of years, they become:

Keep practicing — related questions

• fuels formed from the remains of animals over millions of years
• ________ are created from dead plants and animals, which are are turned into coal and petroleum
• In the non-living environment, carbon exists in:
• Made from dead animals and plants over millions of years.
• The remains of plants and animals preserved between rocks are called _______________.
• The remains of the dead plants and animals trapped in the layers of rocks is known as ___.
• Fossil Fuels:
• Which of the following, if buried under the earth over a long period of time, form(s) coal?