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1. ozone
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Any area of land with specific natural features.
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2. atmosphere
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the center part of the Earth.
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3. equator
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A specific area of the earth that falls between the core and the crust.
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4. rotation
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The specific gas that surrounds the earth.
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5. mantle
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The outer layer of the earth's surface.
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6. drought (drouth)
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to treat (waste products) for reuse or so as to recover reusable materials.
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7. core
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Large areas of salt water that surround much of the earth's surface.
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8. revolution
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A type of oxygen that is produced by electricity and is in the air, mostly after a thunderstorm.
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9. recycle
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The made up line around the earth that shows how far the North and South poles are.
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10. erosion
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The central like the earth revolves around.
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11. terrain
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A prolonged period of time without rainfall.
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12. axis
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The process of moving around a center or axis.
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13. crust
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The gradual process of being eroded by natural forces.
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14. ocean
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The act of rotating around a center or axis.
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