fossil fuels

during which period in the earth's history was coal formed

• Permian

• Carboniferous

• Devonian

• Silurian

Coal comes from_______________.

• algae and plankton at the bottom of the ocean

• plant matter containing lignin

• dinosaurs

• rocks and minerals

what element makes up the majority of fossil fuels?

• Carbon

• Sulfur

• Nitrogen

• Mercury

The primary use of coal in a developed country is for _____________.

• electricity from coal fired power plants

• steam engines

• household heat

• no longer used as a fossil fuel

Which method of mining causes the least ecological damage?

• mountaintop removal

• open-pit mining

• strip mining

• subsurface mining

In a coal-fired power plant a turbine must spin to generate electricity. What substance causes the force needed to turn the turbine?

• Methane

• Steam

• Oil

• Liquid gold

Oil is derived from ______________________________.

• Algae and plankton at the bottom of the sea

• lignin plant matter

• dinosaurs

• rocks and minerals

The waste products from a coal-fired power plant used to gernerate electricity?

• all given

• carbon dioxide

• fine particles of ash and soot

• none given

If peak oil is reached in the next ten years and demand remains constant....

• oil supplies decrease and price decreases

• oil supplies increase and price decreases

• oil supplies decrease and price increases

• none of the options will happen

natural gases is mainly ?

• Methane

• Propane

• Butane

• Acetylene