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Weathering, Erosion and Soil
1) Weathering is the breakdown of rocks and minerals at the Earth's surface through direct contact with the atmosphere, while erosion is the movement and transport of weathered materials by agents like water, ice, wind and gravity. 2) Weathering occurs through physical/mechanical processes like abrasion, frost action and thermal expansion or chemical processes involving reactions with water, oxygen and living organisms. 3) Weathering breaks down bedrock into regolith and soil over time. The type of soil formed depends on climate, topography, parent material and other factors.
