Any natural substance,organism, or energy form that living things use.
A natural resource that can be used and replaced over a relatively short time.
Is a natural resource that cannot be replaced or can only be replaced over thousnada or millions of years.
Is the process by which used or discarded materials are treated for reuse.
Are natural resources that humans use to produce energy.
"Crude Oil" Is an oily mixtue of flammable organic compounds from which liquid fossil fuels and other products.
Solid fosslil fuel formed underground from buried decomposed plant material.
Process in which rock and soil are stripped from the Earth's surface to expose underlaying material.
Rain or snow that has a high acid content due to air pollutants.
Is a photochemical fog produced by the reaction of sunlight and air pollutants.
Alternative source of energy that comes from the nuciel of atoms.
Energy from the sun.
Energy produced by wind.
Energy produced by falling water.
Organic matter that contains stored energy.
Alcohol and gasolione mixed.
Energy from within the Earth.