Research and design

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Across
  1. 2. summary
  2. 4. "the plane has a more __________ shape"
  3. 5. _________ passengers train
  4. 6. drawing
  5. 8. first
Down
  1. 1. friction
  2. 2. resist
  3. 3. law
  4. 7. photosynthesis
  5. 9. polka dots