A material found in nature that is useful to humans

• Natural Resource

• coal

• ore

• biomass

capable of being replenished or replaced

• renewable

• petroleum

• metal

• geothermal energy

the process of removing salt from seawater to obtain freshwater

• desalination

• natural resource

• hydrocarbon

• compost

not capable of being replenished or replaced within a sufficient period

• nonrenewable

• landfill

• natural gas

• renewable

a solid fossil fuel formed from decomposed plant remains

• coal

• ore

• metal

• natural gas

a crude oil, which is a liquid fossil fuel formed from microscopic plants, animals, and marine organisms

• coal

• petroleum

• metal

• natural gas

a compound made of the elements hydrogen and carbon

• hydrocarbon

• desalination

• compost

• biomass

a mixture of methane and other gases formed from decomposed marine organisms

• coal

• petroleum

• metal

• natural gas

a mold-able substance that can reflect light and conduct heat and electricity

• coal

• petroleum

• metal

• natural gas

a naturally occurring rock from which useful metals or other minerals can be extracted

• coal

• ore

• metal

• natural gas