Agriculture #2

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Across
  1. 3. - animal food
  2. 7. warming - an increase in the world's temperature
  3. 9. - an economy based on industry
  4. 11. - land help to be used by everyone
  5. 12. layer - a layer of gas above the Earth's surface
  6. 14. graze - to feed on growing plants
  7. 15. - the science of industry
  8. 17. - animal droppings used to fertile land
  9. 18. materials - the materials need in an industry to make a product
Down
  1. 1. - unproductive
  2. 2. - to sow seeds by throwing them over a field by hand
  3. 4. - to use
  4. 5. - a group of animals distinguished by particular characteristics
  5. 6. - money used to invest in a business
  6. 8. - a complete change in something
  7. 10. act - an act forbidding anyone except member of the Church of England from holding political office
  8. 13. country - the country with colonizing power
  9. 16. supply - a supply of workers