Quiz 1

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Across
  1. 2. Thick,less dense plates making up land
  2. 5. Supercontinent proposed by Wegener
  3. 6. Plates that form the ocean floor
  4. 7. First step of the scientific method
Down
  1. 1. Type of boundary where plates move apart
  2. 3. Sliding plate boundary
  3. 4. Scientist who proposed continental drift