Popular Physical Features

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Across
  1. 4. Asia - stretching among six countries
  2. 6. located in northeastern Africa and flows from south to north, emptying into the Mediterranean Sea in Egypt
  3. 8. between the continents of Asia and Australia to the west, and North and South America to the east
  4. 9. in North Africa
Down
  1. 1. soaring heights, steep-sided jagged peaks, valley and alpine glacier
  2. 2. Located in Antarctica
  3. 3. dry area of land that receives less than 10 inches (25 centimeters) of rain per year.
  4. 5. contain annual layers that hold a unique and valuable record of Earth's climate history
  5. 7. size, marine life, and economic importance
  6. 10. critical to the development of ancient Egypt, providing water for crops and supporting the growth of a civilization.