Technology Crossword

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Across
  1. 5. things that happen because of something else
  2. 6. become numb or unfeeling toward something
  3. 7. what is needed to have relationships
  4. 8. scientists use to show proof
Down
  1. 1. what do we use to think (in body)
  2. 2. to harm or hurt another
  3. 3. how we evolve
  4. 4. person who does studies