Natural resources

3. Energy sources which can be used over and over again without running out.
6. Materials from the Earth that are used to support life and meet people's needs.
9. The power generated by falling water.
10. A natural resource that is limited but abundant in nature.
11. A way to describe the use of power or the ability to do work

1. Energy that can be extracted from earth's internal heat.
2. An energy from fossil fuel which is odorless and colorless in its natural state which is primarily made of methane.
4. A fuel, such as coal, oil, or natural gas, formed in the earth from plant and animal remains over millions of years.
5. Anything that dirties the Earth.
6. An energy resource that does not produce carbon dioxide but it does produce radioactive waste.
7. is a solid, black material that contains a large amount of carbon-based material used to produce energy.
8. Energy that comes from the sun.