September 18, 2001 A: Fossil fuels are organic materials that are high in energy, like coal, petroleum (oil), and natural gas.
(Fossil fuels; are; organic materials that are high in energy, like coal, petroleum (oil), and natural gas) (organic materials; are; high in energy)
Fossil fuels organic materials
are are
organic materials that are high in energy, like coal, petroleum (oil), and natural gas
high in energy