It’s so easy

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Across
  1. 2. Being the only existing one of its type
  2. 5. Different or becoming different from something
  3. 8. A result or effect of an action
  4. 9. To try to do something
  5. 10. To rise extremely quickly
  6. 11. A way of doing an activity that needs skill
  7. 12. Any work that someone believes it is their duty to do
Down
  1. 1. To accept or recognize something
  2. 3. Why you do something or why something exists
  3. 4. A wise saying or proverb
  4. 6. A piece of information that suggests how something should be done
  5. 7. A new idea or method