Anthropocene Crossword

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Across
  1. 3. whole
  2. 5. hundreds of millions of years
  3. 6. new
  4. 7. carbon dioxide
  5. 9. short periods of thousands of years
Down
  1. 1. greek root for human
  2. 2. wholly new
  3. 4. tens of millions of years
  4. 8. official keeper of the geologic time scale
  5. 10. abreviation of parts per million