19/11

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Across
  1. 4. student/learner
  2. 6. teacher/lecturer
  3. 8. international
  4. 11. world
  5. 14. spending
  6. 15. mentioned
  7. 16. significant
  8. 18. first important
Down
  1. 1. to plant or to grow crops
  2. 2. opposite to deforestation
  3. 3. online
  4. 5. reason/cause
  5. 7. entertainment
  6. 9. deterioration
  7. 10. too many animals eating grass in an area
  8. 12. drinks
  9. 13. nation
  10. 17. region