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Ecology
| Term | Definition |
|---|---|
| Renewable | Does not pollute the air or water. |
| Solar Energy | Energy from the sun. |
| Wind Energy | Is produced by the movement of air and converted into power for human use. |
| Water Energy | Is a clean renewable and reliable energy source. |
| Biomass Energy | Is any organic matter that can be used as an energy source. |
| Geothermal Energy | Is heat that is underground. |
| Fuel | Anything that produces energy, power, or heat. |
| Nonrenewable | It can't be made again. |
| Fossil Fuels | Essentially remains of plant and animal. |
| Conservation | Official supervision of rivers, forests, and other natural resources. |
| Pollution | Introduction into the environment of a substance or thing that has harmful or poisonous effects. |
| Pollutants | Any substance, as certain chemicals or waste products, that renders the air, soil, or water. |
| Air Pollution | Introduction into the air of a substance which has harmful or poisonous effects. |
| Water Pollution | Harmful chemicals to natural water. |
| Contour Plowing | Ploughing following the contours of the land, to minimize the effects of erosion. |
| Windbreaks | Something that protects an area from the wind. |
| Crop Rotation | The successive planting of different crops on the same land to improve soil fertility and help control insects and diseases. |
| Fallow | Land plowed and left unseeded for a season or more uncultivated. |
| Conservation Plowing | A soil conservation method in which the dead stalks from the previous year's crop are left in the ground to hold the soil. |