Boo weathering

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Boo weathering

  1. 1. Weathering <ul><li>By: Maggie </li></ul>
  2. 2. Exfoliation Some buried rocks are changed when heavy layers of the rock wear away. of the once-buried granite expand more than the layers Below. This causes the outer layer of the rock to peel off.
  3. 3. Chemical Weathering A rock can break down when minerals in the rock changes chemically. When these changes happen, chemical weathering takes place.
  4. 4. <ul><li>when Carbon Dioxide and rainwater combine it makes carbonic acid. </li></ul>Carbonic Acid
  5. 5. Horizon
  6. 6. Humus
  7. 7. Physical Weathering When plants get into rocks and start to grow.
  8. 8. Abrasion This is a wind abrasion.

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