Andes plate boundary crossword

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Across
  1. 2. Melted rock below earth’s surface
  2. 4. Deep ocean feature off chile
  3. 6. When one plate sinks under another
  4. 7. Oceanic plate beneath South America
  5. 8. plates moving toward each other
Down
  1. 1. sudden ground shaking
  2. 3. long mountain range in South America
  3. 5. opening where magma erupts