
Chapter 4 Energy
... • Most modern fuels are substances we burn – Coal, gasoline, gas, oil, propane, charcoal, wood ...
... • Most modern fuels are substances we burn – Coal, gasoline, gas, oil, propane, charcoal, wood ...
Natural Resources
... • Because fossil fuels are nonrenewable, Earth’s supply of them is limited • The use of fossil fuels can lead to environmental problems. • Mining coal can require stripping away thick layers of soil and rock, which destroys ecosystems. • The burning of fossil fuels produces waste gases that cause ai ...
... • Because fossil fuels are nonrenewable, Earth’s supply of them is limited • The use of fossil fuels can lead to environmental problems. • Mining coal can require stripping away thick layers of soil and rock, which destroys ecosystems. • The burning of fossil fuels produces waste gases that cause ai ...