Agricultural Revolution

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Across
  1. 5. a layer of gas above the Earth's surface that protects humans from harmful rays of the sun
  2. 6. a supply of workers
  3. 7. a group of animals distinguished by particular characteristics
  4. 13. an economy based on industry, not agriculture
  5. 14. new inventions
Down
  1. 1. a complete change in something
  2. 2. world-wide
  3. 3. to sow seeds by throwing them over a field by hand
  4. 4. in the language of colonialism,the colonizing power
  5. 8. animal droppings used to fertilize land
  6. 9. land which could be used by everyone
  7. 10. to use
  8. 11. animal food
  9. 12. money used to invest in business
  10. 14. to feed on growing plants such as grass