Earth's layer

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Across
  1. 3. instrument earthquake'S strengh location
  2. 6. solid rock
  3. 8. sink dense martial rise to the surface
Down
  1. 1. vibrations during an earthquake
  2. 2. outermost layer
  3. 4. molten iron and nickel
  4. 5. center of Earth
  5. 7. where tectonic planets are found