Fossil fuels are energy sources formed from the remains of ancient plants and animals. These include coal, oil, and natural gas. They are found underground in Earth’s crust. Fossil fuels are used for electricity, heating, and transportation.

Fossil fuels are used in many parts of the world as major energy sources. They are part of industries, homes, and transport systems. Different regions have different amounts of these resources.

Fossil fuels formed over millions of years and are still used today. They are part of global energy systems. These fuels are found in many countries and environments.