matter

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Across
  1. 6. trees can grow on the
  2. 7. there are four different
  3. 9. is the thinnest crust
  4. 10. is the second hottest layer
Down
  1. 1. the inter core heats up to
  2. 2. is the top layer of the earth
  3. 3. layer has lots of convection currents
  4. 4. is the hottest
  5. 5. is made with magma and goes to volcanoes
  6. 8. the inter core is