A reef than surrounds a volcanic island is an : Atoll
Atoll usually takes shapes in a form of ring that surround the areas of volcanic island that consist of corals. It usually only exist in warm waters, so volcanic islands will provide perfect environment for the corals
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The world is round not flat cause first look image your viewing a picture of earth actually the earth is not really round its a shape called an ellipsoid which is kind of squatters and fat plus the world is round cause of the force of gravity
With what?? You didn’t put any work
New Orleans is hot and humid consistently throughout the year, with mild temperatures only felt during the winter months. Las Vegas is also warm, yet the dry air is a bit easier to deal with in comparison to the moisture in New Orleans.