Science Constructive / Destructive

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Across
  1. 3. force that makes new crust new land or new rock
  2. 5. force that destroys crust land or rock
  3. 6. a constructive boundary where 2 plates pull apart and a valley forms
Down
  1. 1. a boundary that is constructive and has tension forces
  2. 2. a boundary with compression forces and is destructive
  3. 4. where a plate sinks under another and a trench forms, destructive force