Chapter 1

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Across
  1. 3. a way of working with someone or something
  2. 5. willing to do what is needed or asked
  3. 7. able to be used or obtained
  4. 8. to accept a duty or responsibility
Down
  1. 1. an advantage or gain
  2. 2. a general idea
  3. 4. a field of knowledge or study
  4. 6. careful study of the way the parts of something work