class 4 crossword puzzle

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Across
  1. 2. the component of air used by green plants to make their own food
  2. 3. floating insoluble solid can be separated from water by
  3. 8. a plant which stores water in its stem
  4. 10. people who do a lot physical work need more
Down
  1. 1. the soil deposited by the river
  2. 4. roots above the ground
  3. 5. a substance that allows only some of the light to pass thro
  4. 6. butter, nuts and ghee are rich in
  5. 7. organ which produces bile
  6. 9. the universal solvent