Correction for the size of The Great Barrier Reef
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How big is 435 square inches?
It's about 0.0000000000008 times as big as The Great Barrier Reef
The size of The Great Barrier Reef is about 539,000,000,000,000.000000000000000000 square inches.
(a.k.a. Barrier Reef) (Coral Sea, off Queensland, Australia) (approximate)
The Great Barrier Reef, the largest such reef in the world, covers about 539,000,000,000,000.000000000000000000 square inches. Reefs, such as the Great Barrier, grow in diameter at a rate of 1 to 3 cm per year.