9 terms

Chapter 5

Natural resource
any natural material that is used by humans, such as water, petroleum, minerals, forests and animals
Renewable Resource
a natural resource that can be replaced at the same rate at which the resource is consumed
Nonrenewable resource
a resource that forms at a rate that is much slower than the rate at which it is consumed
the process of recovering valuable or useful materials from waste or scrap; the process of reusing some items
Fossil Fuel
a nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil, coal, and natural gas
a liquid mixture of complex hydrocarbon compounds; used widely as a fuel source
Natural Gas
a mixture of gaseous hydrocarbons located under the surface of the Earth, often near petroleum deposits; used as a fuel
a fossil fuel that forms underground from partially decomposed plant material