Tectonic hazards

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Across
  1. 3. All continents connected together
  2. 5. Top part of the earths mantle directly underneath the lithosphere
  3. 7. Take place in the mantle causing continental drift
  4. 8. Found in the Ring of Fire
  5. 10. When two plate boundries spread apart
  6. 11. Made up of the crust and the top of the mantle
  7. 12. When an oceanic crust subducts under continental crust
Down
  1. 1. The huge invisible magnetic field that surrounds the earth
  2. 2. A funnel-shaped hollow at the top of a volcanic cone
  3. 4. The gradual movement of all the continents
  4. 6. Trembling and shaking of the earths surface
  5. 9. Hot and flows like lava and made of a semi-molten rock called magma