The earth and changes on it

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Across
  1. 2. breaking of rocks into small particles
  2. 4. also known as cotton soil
  3. 6. the topmost horizon which is rich in humus
  4. 7. soil formed by deposition of sediments by river
  5. 10. wearing away of earth’s surface by agents of gradation
Down
  1. 1. laying down of sediments y agents of gradation
  2. 3. a mass of moving ice
  3. 5. large sized particle of soil
  4. 8. soil formed by leaching process
  5. 9. contributes to fertility of soil