Review

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Across
  1. 5. process where sediment sinks to the bottom of the ocean
  2. 6. crumpling of earth crust
  3. 8. rock, often contain shells/ fossils
  4. 9. composed of minerals
Down
  1. 1. currents, occur in the mantle
  2. 2. breaking of rocks into smaller pieces
  3. 3. process where one plate sinks beneath another plate
  4. 4. a breaking of earth's crust
  5. 7. pulls all things down