Science

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Across
  1. 2. studies birds
  2. 3. vapor
  3. 5. change in a gene
  4. 6. study of matter
  5. 7. fish living in ocean instead of the desert
  6. 8. earth getting hot
Down
  1. 1. A supermassive black hole
  2. 4. what a doctor gives you
  3. 8. used as fuel
  4. 9. used to make tools