Geography

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Across
  1. 3. - The arts and other manifestations of human intellectual achievement
  2. 4. - the study of landforms
  3. 7. - a land form surrounded on three sides by water
  4. 8. - the science or practice of drawing
Down
  1. 1. - an ancient civilization
  2. 2. - a civilization
  3. 5. collectively as 20th century popular culture
  4. 6. - the planet we live on