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Physical Geog #21-30
CCS Physical Geography definitions #21-30
| Question | Answer |
|---|---|
| The theory that horizontal movement of the earth's surface causes slow, relative movements of the continents toward or away from one another. | Continental Drift |
| Line drawn on a map connecting points which have the same height or depth. | Contour Line |
| A small, horseshoe-shaped body of water along the coast; the water is surrounded by land formed by soft rock. | Cove |
| A steep-sided, usually circular depression formed by either explosion or collapse at a volcanic vent. | Crater |
| A mixture of water-saturated rock debris that flows downslope under the force of gravity (also called lahar or mudflow). | Debris Flow |
| A delta is a low, water, land formed at the mouth of a river. It is formed from the silt, sand and small rocks that flow downstream in the river and are deposited in a __________. It is often shaped like a triangle. | Delta |
| A large region with little or no vegetation as a result of not receiving enough precipitation. | Desert |
| Literally, "sleeping." The term is used to describe a volcano which is presently in active but which may erupt again. Most of the major Cascade volcanoes are believed to be dormant rather than extinct. | Dormant Volcano |
| The area of land drained by a river system. | Drainage Basin |
| A hill or ridge made of sand. These are shaped by the wind and change all the time. | Dune |
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CCS Geography Class
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