SOIL

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Across
  1. 5. substance that supports plant growth.
  2. 6. absorbing a substance.
  3. 7. the protection of plants from erosion.
Down
  1. 1. dark organic material in soil.
  2. 2. the soil best for growing plants.
  3. 3. the layers of soil.
  4. 4. soil made up of mostly sand.