Terra Twist

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Across
  1. 3. The longest river in the world, flowing through Africa
  2. 6. A country whose name begins and ends with the same letter and is also a continent
  3. 8. A human activity that increases carbon dioxide in the atmosphere
  4. 10. This Asian city’s name means “City of the Lion”
Down
  1. 1. The country known as the Land of the Rising Sun
  2. 2. Raised area of land, lower than a mountain
  3. 4. The imaginary line that divides Earth into two equal halves
  4. 5. A river whose name is also used to describe a powerful search engine
  5. 7. This European capital sounds like it could “pair us” together
  6. 9. The slow wearing away of land by wind or water