part of the environment that supplies material useful or necessary for the survival of living things

(a)  

A resource that can be replaced by natural processes in a relatively short amount of time. Examples include air, water, living things, and certain energy sources such as solar, geothermal, wind, water, and biomass.

(a)  

Natural resources that are being used up faster than they can be replaced by natural processes

(a)  

Energy that comes from renewable resources. Examples include solar, geothermal, water, wind energy.

(a)  

A type of fossil fuel that is a solid sedimentary rock formed from ancient plants that is mined from the earth.

(a)  

A fossil fuel that is a liquid that was formed from the remains of ancient marine (ocean) organisms. Also called petroleum.

(a)  

a mixture of gases that is often found with petroleum . It is composed mainly of an odorless, colorless gas called methane.

(a)  

Energy released by splitting Uranium atoms. Splitting the atoms produces heat which generates steam that powers a turbine and produces electricity. It is considered a clean source of energy because it does not produce greenhouse gases. However, it does produce toxic waste.

(a)  

Are formed from the remains of dead plants and animals. After millions of years, heat and pressure turn the dead organisms into fuel that humans can burn. There are three types: coal, petroleum, and natural gas.

(a)  

A rich deposit of valuable minerals

(a)  

Heat energy in the earth’s crust

(a)  

pollution from a single, identifiable source.

(a)  

Toxic chemicals that enter a body of water from many sources

(a)  

The extraction (removal) of minerals and metals from earth.

(a)  

Ability to be continued at the same rate for a long period of time.

(a)  

Energy that comes from living things (plants and animals). The stored energy comes from the sun. Burning it releases the stored energy.

(a)