14. What country has the most people per square kilometer?
a. Singapore
b. Monaco
c. Bangladesh
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15. What two countries have the least amount of
people per square kilometer?
a. Mongolia and Namibia
b. Australia and New Zealand
c. Botswana and Iceland
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16. What is the longest river?
a. The Nile, Africa
b. The Amazon, South Africa
c. Chang Jiang (Yangtze), Asia
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17. What is the deepest lake in the world?
a. Tanganyika, Africa
b. Baikal, Russian Federation
c. Caspian Sea, Asia-Europe
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