plate tectonics

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Across
  1. 2. transferring particles
  2. 5. mantle rises forms magma
  3. 7. movement of a fluid caused by different temperatures
Down
  1. 1. a process of how the ocean crust sinks
  2. 2. transfer thermal energy
  3. 3. mass
  4. 4. underwater mountain chains
  5. 6. Hess researched sea floor