too many kids

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Across
  1. 3. regular checkups are important for early detection of xxxxxx health issues.
  2. 5. physical activity and a balanced diet are key pillars of good xxxxxx.
  3. 7. scientists study the xxxxxx origins of various human behaviors and traits.
  4. 10. it was xxxxxx to see how quickly the small town recovered after the storm.
  5. 11. the company waited for xxxxxx market conditions before launching the product.
  6. 12. the researcher xxxxxx that the new drug would significantly reduce recovery time.
Down
  1. 1. healthy habits and genetic factors both contribute to a person's xxxxxx.
  2. 2. many people find that xxxxxx brings a new sense of responsibility and joy.
  3. 4. the body has complex xxxxxx for regulating internal temperature and balance.
  4. 6. even a small error in the calculations could xxxxxx the entire experiment's results.
  5. 8. the survival of a species depends on its successful biological xxxxxx.
  6. 9. regular xxxxxx of the heating system ensures it runs efficiently during winter.