Chichen Itza was a large pre-Columbian city built by the Maya people of the Terminal Classic period, the archaeological site is located at—-?

A. Brazil
B. USA
C. Mexico
D. Canada

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The Bering Strait is a strait of the Pacific, which borders with the Arctic to north. It is located between?

A. Russia and the United States
B. Russia and Poland
C. Canada and the United States
D. USA and Mexico

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What is the flattest Continent?

A. Asia
B. Australia
C. Europe
D. Antarctica

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