Easy Puzzle

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Across
  1. 3. to separate something from other things with which it is connected or mixed
  2. 5. money that is earned from doing work or received from investments
  3. 7. to persuade someone or make someone certain
  4. 8. to take part in or become involved in an activity
Down
  1. 1. able to adjust readily to different conditions
  2. 2. an occasion when something or someone is released or made free
  3. 4. based on real facts and not influenced by personal beliefs or feelings
  4. 6. not lasting or needed for very long