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Across 2. the downslope movement of loose sediments and weathered rick resulting from the force of gravity 6. the lowering of land surface that results from the wind's removal of surface particles 7. rocks shaped by wind-blown sediments 10. wind blown sand 11. landslides that occur in mountainous areas with thick accumulations of snow 12. when the mass of material in a landslide rotates and slides along a curved surface

Down 1. glaciers that cover broad, continent sized areas 3. a rapid, downslope movement of Earth materials that occurs when a relatively thin block of loose soil, rock, and debris separates from the underlying bedrock 4. thick, wind blown silt deposits 5. the slow, steady, downhill flow of loose, weathered Earth materials 8. swiftly moving mixtures of mud and water 9. occurs when particles such as sand rub against the surface of rocks or other materials