Fossil fuels are nonrenewable resources. They are nonrenewable because they take millions of years to form. Earth’s oil took 500 million years to develop. Fossil fuels are formed from the remains of organisms. Fossil fuels are rich in energy. Coal is formed from plant remains that have been buried for millions of years. Coal is the fuel used in many electrical power plants. Oil is a thick, black, liquid fossil fuel. Oil forms from the remains of ocean organisms. Petroleum is another name for oil. Natural gas is a mixture of gases. Natural gas forms from the remains of ocean organisms.

Fossil fuels are used for __________.

A material that is found in nature and helpful to humans is called a ________________.

Fossil fuels are nonrenewable resources. They are nonrenewable because they take millions of years to form. Earth’s oil took 500 million years to form. Fossil fuels are formed from the remains of organisms. Fossil fuels are rich in energy. Coal is formed from plant remains that have been buried for millions of years. Coal is the fuel used in many electrical power plants. Oil is a thick, black, liquid fossil fuel. Oil forms from the remains of ocean organisms. Petroleum is another name for oil. Natural gas is a mixture of gases. Natural gas forms from the remains of ocean organisms.

How are fossil fuels created?

Iron ore is a resource that is found in many places around the world. Why is iron ore a nonrenewable resource?

How could nonrenewable resources be replaced with renewable resources?

Which answer choice lists only nonrenewable energy sources?

Which answer choice lists only renewable energy sources?

Which renewable resource is replenished by evaporation, condensation, and precipitation?

What does the term "fuel" mean?

Which resource would be more plentiful to people who live in the southern United States than it would be for people who live in the northeastern parts of the United States?