Discuss mechanical weathering

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Earth Revealed Episode 15: Weathering and Soils What happened to Cleopatra's Needle? Why does rock material change when exposed to surface conditions? Discuss mechanical weathering. Describe exfoliation, and the fracturing of rock due to pressure release. What is ice wedging? How much does water expand when it freezes? Discuss chemical weathering. How do mechanical and chemical weathering work together to disintegrate rock? What are the principle agents of chemical weathering? How does rain water become acidic? How do climate and temperature affect the rate of weathering? Discuss the formation of acid rain and its impact on surface materials. What is soil? Describe.

Reference no: EM134045955

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