What is the name of the the world's largest coral reef system over an area of approximately 133,000 sq mile?

A. The Great Wall of China
B. The Great Reef of China
C. The Great Barrier Reef
D. The Great Reef of Mexico Gulf
That's Correct!
It's Wrong!

The Great Barrier Reef is the name of the the world's largest coral reef system over an area of approximately 133,000 sq mile.

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Key Data

Questions
77
Grade
1, 5
Theme
World
Passing score
80%

Progress

8 Incorrect
10 Correct
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