WHAT IS A CORAL ISLAND?

 



 

 What is  a coral island?
The Coral island begin life as a coral reef growing around the top of an underwater volcano which stuck out from the Sea when the volcano sank into the sea it left a horseshoe or ring- shaped Coral island behind.

Where is the biggest  island?
An island is a chunk of land with water all around it. The biggest island is Greenland in the icy Arctic Ocean it measures more than 2 million square kilometre. Australia is the bigger than that but it usually counts as a continent.


Which country has most islands?
The country Sweden in the Europe is the made up of more than 2 lakhs Island but many of the islands are tiny and people only leave on about half of it.






AMAZING  FACTS 
Do you know that in 1963 a Island called Surtsey
 bust out of the sea near  Iceland when an undersea volcano erupted.

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