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Energy Resources
| Question | Answer |
|---|---|
| Sedimentary rock | A type of rock that forms when layers of sediment are pressed together. |
| Fossil fuel | Nonrenewable fuel, such as coal, oil, and natural gas, formed from the remains of once-living things. |
| Natural resource | Anything from nature that people can use. |
| Renewable resource | A resource that can be replaced within a reasonable amount of time. |
| Nonrenewable resource | A resource that, once used, cannot be replaced within a reasonable amount of time. |
| Geothermal energy | A type of energy produced naturally beneath Earth’s surface. |
| Hydroelectric energy | Energy produced by using the mechanical energy of falling water. |
| Biofuel | A fuel produced by biological materials, such as wood. |
| Pollution | Any waste product or contamination that harms or dirties an ecosystem and harms organisms. |
| Conservation | The process of preserving and protecting an ecosystem or a resource. |
| Wind energy | A type of energy produced by moving air, used to by wind turbines to produce electricity. |
| Solar energy | A type of energy produced by the sun which can be used to heat water or produce electricity. |