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unit eight newest
| Question | Answer |
|---|---|
| weathering | Atmospheric and evirmental agents that decompose rocks. |
| physical weather | mechanical breakdown of rocks into smaller peices |
| abrasion | the process of rocks getting browkendown through scrapinging |
| chemical weathering | the chemical breakdown of rocks. |
| oxidation | the chemical reaction where any mateiral binds with oxygen |
| acid participation | precipitation with pollutants that make it acidic. |
| erosion | the movement of particles through wind water or ice |
| deposition | the process in which material is laid down |
| floodplain | an area along a river that forms when sediments deposited when the river overflowed. |
| delta | A mass of material deposited in a triangular or fan shape at the mouth of a stream or river |
| alluvial fan | A fan shape mass of rocks deposited by a stream when the slope of the land decreases. |
| groundwater | water that is beneath Earth's surface |
| shorline | the boundary between land and water |
| beach | an area of shore line made up of deposited sand |
| sandbar | a low rise of sand deposited along the shore of a lake or sea |
| barrier islands | a long ridge of sand or narrow islands parrel to the shore |
| dune | a mound of wind deposited sand that moves because of wind |
| loess | fine grained sediments like quarts. |
| glacier | a large mass of ice that is there year round over land |
| glacier drift | the rock material that is carried and deposited by glaciers |
| creep | the slow downhill movement of weathered rocks mateiral |
| rockfall | the rapid mass movement of rocks down a steep slope |
| landslide | the sudden movement of rock and soil down a slope |
| mud flow | the flow of mass or mud rocks mixed with soil with water |
| mountain | an area of significantly elevated on Earth's surface usually rising to a summit. |
| lake | A partially or fully filled basin of fresh or salt water surouned by land |
| river | a large naturual stream of water surouned by land |
| coastline | A location where land meets sea. |