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unit 8 nat. resource
| Term | Definition |
|---|---|
| natural resource | anything in nature that people can use |
| biofuel | a fuel produced from biological material such as corn |
| corn, sugar cane, and wood | three examples of biofuels |
| pollution | any waste product or contamination that harms or dirties an environment or harms living things. |
| nonrenewable resource | a resource that once used, CANNOT be replaced |
| hydroelectric energy | energy produced by the mechanical energy of flowing water |
| geothermal energy | a type of energy produced naturally beneath Earth's surface |
| air, sunlight, wind, water, plants, and animals | examples of renewable resources |
| renewable resource | a resource that CAN be replaced |
| conservation | the process of preserving and protecting an ecosystem or resource |
| reduce, reuse, recycle | the three R's or the three ways to conserve |
| intercropping | planting two different crops in the same area to help fight off insects and disease |
| crop rotation | planting a different crop every other year to help conserve the soil |
| hydroponics | using sand, gravel, and water instead of soil to plant crops |
| contour plowing | planting crops in the natural curves of the land to help prevent soil erosion |
Created by:
southeaglestudent
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