puzzle 1 unit 9

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Across
  1. 3. a movement against traditional beliefs
  2. 6. a person who escaped their country due to war
  3. 8. the process to create a hybrid
  4. 10. agricultural revolution in 1950s-60s
  5. 12. a medicine that prevents bacteria growth
Down
  1. 1. removal of natural vegetation
  2. 2. tourism to threatened environments
  3. 4. loss of trees and forests
  4. 5. preventing conflict
  5. 7. widespread occurrence of an infectious disease
  6. 9. a way of communication through radio waves
  7. 11. a prevention from a disease to help immunity