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Animal Actions

Published on May 09, 2016

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PRESENTATION OUTLINE

1.

Animal Actions

  • Animals burrow int the ground.
  • Loosen and break rocks in the soil
2.

Freezing and Thawing

  • When water freezes in a crack in rock.
  • The process of frost wedging.
3.

Plant Growth

  • Plant roots enter cracks in rock.
  • Plandts can pry apart cracked rocks.
4.

Relsase of Pressure

  • As erosion removes material from the surface.
  • That causes the rock to crack.
5.

Abrasion

  • Sand and other rock particles that are carries by wind water or ice.
  • Wears away exposed rock.

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