• Weathering and erosion work together continuously to wear down and carry away the rocks at Earth’s surface. • The causes of mechanical weathering include freezing and thawing, release of pressure, plant growth, actions of animals, and abrasion. • The causes of chemical weathering include the action of water, oxygen, carbon dioxide, living organisms, and acid rain. • The most important factors that determine the rate at which weathering occurs are the type of rock and the climate.
Notes
Chemical
Mechanical
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