Dennis

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Across
  1. 5. hat has formed from sediment deposited by water or air.
  2. 6. The gradual movement of the continents across the earth's surface through geological time.
  3. 9. This occurs when plates move towards each other and collide.
  4. 10. to change in form, appearance, or structure
Down
  1. 1. matter that settles to the bottom of a liquid; dregs.
  2. 2. structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric.
  3. 3. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
  4. 4. having solidified from lava or magma.
  5. 7. This is where two plates move away from each other.
  6. 8. denoting or relating to rock that has undergone transformation by heat, pressure.