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4 SS 2
Chapter 2 vocabulary
Term | Definition |
---|---|
landform | a physical feature of the earth's surface, such as a mountain |
elevation | the height of a landform above or below sea level |
sea level | the height of the surface of the world's oceans |
erosion | the process by which water, ice, and wind wear away soil and rock |
Continental Divide | a stretch of high land along the Rocky Mountains that separates water that flows east from water that flows west |
resource | something that goes into making what people need |
fossil fuel | a resource that comes from living things that died millions of years ago; includes petroleum and coal |
mineral | a substance that can be dug up from the earth and sold or traded; examples include stone, coal, and gold |
conservation | the careful use and protection of natrual resources, such as forests or mineral deposits |
recycling | reusing things instead of throwing them out |