Advances in Science (Unit 3: Text Set 3)

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Across
  1. 3. to have a different opinion about something.
  2. 5. qualities that identify a person or thing.
  3. 6. common or widespread.
  4. 8. the act of fighting against something.
Down
  1. 1. to receive from a parent or other relative.
  2. 2. improvements that move an idea ahead.
  3. 4. a worried interest in something.
  4. 7. the science and business of raising crops and farm animals.