The Great Barrier Reef is the largest coral system on the planet Earth. It consists of 2900 Reefs and includes 9 thousand islands. The total area of the islands is about 2,300 kilometers. The total
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Around 70% of the Earth’s surface is covered by oceans. The world’s oceans contain enough water to fill a cube with edges over 1000 kilometres. Ocean contains plenty of facts that we don’t even think.