B. Nauru sent only one of its estimated 10,000 citizens -- weightlifter Itte Detenamo -- to Beijing. It is his second Olympics and the third time Nauru has competed. Tuvalu has about 1,000 more people than Nauru.

Q: Russia is the largest country in the world with 10.6 million square miles. Which nation at the Beijing Olympics is the smallest?

A. Tuvalu

B. Nauru

C. Dominica

D. Monaco

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D. With 1.2 square miles, Monaco is only larger than the 481-square-yard nation Vatican City.

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Q: Which of these tiny Olympic competitors is NOT an island nation?

A. Tuvalu

B. Nauru

C. Dominica

D. Monaco

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D. Monaco lies on the northern coast of the Mediterranean Sea and is completely enclosed by France. Nauru and Tuvalu are in the Pacific and Dominica was discovered in the Caribbean Sea by Christopher Columbus.

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Q: Tuvalu, which is slightly larger than both Monaco and Nauru, makes its first Olympic appearance this year. But something could keep it from competing in the future. What?

A. Revolution

B. Poverty

C. Global warming

D. Plague

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C. Tuvalu's highest point is only 16 feet above sea level. As global warming causes the oceans to rise, the islands that make up this nation are slowly disappearing beneath the waves.

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