Q161
General SciencePhysics
Coal, Petroleum and Natural Gas are examples of
- a.Fossil Fuels
- b.Cryogenic Fuels
- c.Indigenous Fuels
- d.Radioactive Fuels
Answer: (A) Fossil Fuels
Coal, petroleum, and natural gas are all fossil fuels — formed over millions of years from the decomposed remains of ancient plants and animals buried under sedimentary rock. They contain carbon and hydrogen that release energy when burned. Cryogenic fuels are substances stored at very low temperatures (like liquid hydrogen); they are different.