Erosion

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Across
  1. 3. deep crack in the ground that is not in a straight line
  2. 5. when wind blows across the water and moves the water up and down
  3. 6. the area where land meets the ocean
  4. 8. a flowing stream of water
Down
  1. 1. helps slow down erosion
  2. 2. when water or wind change the shape of the land
  3. 4. water that falls from the clouds
  4. 7. a natural mix of clay, sand, and othe materials