Earth Materials

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Across
  1. 2. our Earth is made of
  2. 4. Mount Rushmore Memorial is made of
  3. 7. rocks made of layers of sand
  4. 8. rocks that come from volcanoes
  5. 9. our Earth is
Down
  1. 1. has imprints of living things
  2. 3. causes erosion
  3. 5. result of weathering
  4. 6. come from other planets