earth science

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Across
  1. 4. the bumping and rubbing of rocks to break them apart
  2. 6. made up of pebbles,sand,clay,and gravel
  3. 7. the settling of sediments
Down
  1. 1. when floods wash rocks down a mountainside
  2. 2. the process of large rocks breaking down to form smaller rocks
  3. 3. the carrying away of weathered material by water, wind or ice
  4. 5. dead plant and animal material in soil