Geography 2.1b

  • Created by: goldstar3
  • Created on: 20-05-18 19:30
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  • Physical Processes on Coasts
    • Weathering
      • Biological - root action
        • Roots grow into existing cracks in rock
          • Growth forces cracks to widen
            • Bits of rock broken off
      • Physical - freeze-thaw action
      • Chemical - carbonation
        • Slow dissolving of rocks due to slightly acidic rainwater
          • Limestone contains calcium carbonate which is easily dissolved in acidic water

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