rocks and soil

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Across
  1. 3. made of small stones
  2. 4. Made of rocks and soil
  3. 6. hardest rock
  4. 7. wheat grows well in this soil
  5. 8. mixture of sand and clay
Down
  1. 1. particles can be seen separately
  2. 2. bajra grows well in this soil
  3. 5. rotted plants and animals