Natural Wonders of the World - crossword puzzle

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Across
  1. 2. natural formations on Earth's surface like valleys, mountains, plains or hills
  2. 5. a large raised area of flat land
  3. 9. a group of living things that are physically similar and can reproduce
  4. 10. groups of buildings where monks or nuns live and worship
  5. 11. a long, narrow, opening or crack
  6. 12. inactive but able to become active again
  7. 14. the arrangement of rock and earth layers in geologic formations
Down
  1. 1. image showing how the inside of something would look if a cut were made through it
  2. 3. small sea invertebrates like coral that have tube like bodies and tentacled mouth
  3. 4. long, deep valleys surrounded by higher land
  4. 6. a layer of soil in a cold region that stays frozen all year long
  5. 7. the natural features of a piece of land
  6. 8. accumulated ice and compacted snow found year-round and move slowly downhill
  7. 9. a member of a cultural group of people living in the Himalayas who work as climbing guides
  8. 13. having thing colors that vary when viewed in different lights or from different angles