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WED

Unit 8

QuestionAnswer
Weathering The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose rocks.
Physical Weathering The mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material.
Abrasion The process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity.
Chemical Weathering The chemical breakdown and decomposition of rocks by natural processes in the environment.
Oxidation A chemical reaction in which a material combines with oxygen to form new material; in geology, oxidation is a form of chemical weathering.
Acid Precipitation Precipitation, such as rain, sleet, or snow, that contains a high concentration of acids, often because of the pollution of the atmosphere.
Created by: Juliette Hair
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