Renewable and Non-Renewable Resources

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Conservation
The act of saving, protecting, or using resources wisely.
Fossil Fuel
A source of energy made from the remains of ancient, once-living things.
Natural Resource
Something that is found in nature and is valuable to humans.
Nonrenewable Resource
A natural material or source of energy that is useful to people and cannot be replaced easily.
Pollution
Any harmful substance that affects Earth's land, air, and water.
Replenish
To refill, resupply, or to make complete again.
Alternative Energy Source
A source of energy other than the burning of fossil fuel.
Biomass
Plant and animal wastes that can be processed to make fuel.
Biomass Conversion
The process of changing biomass into fuel.
Geothermal
Using the heat of the earth's interior.
Hydroelectricity
Relating to production of electricity by waterpower.
Solar Power
Converting energy from the Sun into electrical power.
Renewable Resource
A useful material that is replaced quickly in nature.
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