SST Puzzle-4

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Across
  1. 3. Soil found in hot and dry regions
  2. 7. Thin layer on the surface of the earth
  3. 8. Resources that can be replenished
  4. 9. Everything around us that has both utility and value
  5. 10. Resources given by nature
  6. 11. Plants take in ____ and give out oxygen
  7. 13. Original rock from which the soil is formed
  8. 14. Resources made by human beings
  9. 16. A system of cultivating different crops on the same land during the following years
  10. 17. Smoke from factories causes _____ pollution
  11. 18. Red soil contains this
  12. 20. A vertical section of soil from the surface to the parent rock
Down
  1. 1. Air is this type of a resource
  2. 2. Cutting down of trees
  3. 4. The blue planet
  4. 5. An Organic fertilizer
  5. 6. Energy from the sun
  6. 12. Removal of the top fertile soil cover
  7. 15. Soil found mainly in Jammu and Kashmir
  8. 19. B horizon consists of the ______