Advanced English Vocabulary

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Across
  1. 3. Belief in your own abilities.
  2. 7. Something accomplished successfully.
  3. 10. The reason for doing something.
  4. 11. The ability to produce original ideas.
  5. 13. Scientific knowledge used to solve problems.
  6. 14. A duty or obligation.
  7. 15. A good chance to do something.
Down
  1. 1. The quality of continuing despite difficulties.
  2. 2. The process of gaining knowledge.
  3. 4. A strong desire to achieve success.
  4. 5. The ability to guide others.
  5. 6. The exchange of information between people.
  6. 8. The natural world around us.
  7. 9. A new idea or method.
  8. 12. A person who helps without being paid.