science

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Across
  1. 2. crust what layer do we live on
  2. 4. what happens when two tectonics plates collide together
  3. 6. name one type of rock
  4. 7. a big mass of water
Down
  1. 1. vent from which magma and other substances erupt to the surface
  2. 3. plate what is one of the plates called
  3. 5. name a rock that starts with m
  4. 8. what is one type of rock