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An atoll is formed from an island, but it isn't entirely an island. It's a coral reef that makes the different. The reef grows in a ring around the island and the island erodes, until little if any of it is above the surface of the water and the coral reef remains.
Islands are any small body of land surrounded by water. Islands in the middle of the ocean are usually volcanic and islands in lakes and near continents are usually just areas of the continental shelf surrounding the continent with a higher elevation.
To actually answer your question, the KEY difference is the reef.
What else can I help you with?
'The island of Bikini is in which island group'?
the islands of Bikini Bikini is one of the Marshall islands; the group between the Gilberts and Marianas.
What is the largest coral atoll in the world?
The largest coral atoll in the world is the Kwajalein Atoll.The largest atoll in land area is Christmas Island.
Is Clipperton Island a Country?
No, Clipperton Island is a French territory.
What is a ring shaped island called?
Atoll. Atolls are oceanic reef formation, often having a characteristic ring-like shape surrounding a lagoon. Atolls are formed when coral reef grows around a volcanic island that later subsides into the ocean.
What is a coral atoll?
A coral atoll is a ring-shaped coral reef or island found in warm, tropical oceans. They are formed from the accumulation of coral skeletons on the rims of submerged volcanic islands over thousands of years. Atolls typically enclose a lagoon in their center.
What are some examples of atoll island?
bikini atoll
Ring shaped island?
ATOLL
What is an island around a lagoon?
atoll
Where would a atoll be located?
An atoll is an island of coral that partially or completely surrounds a lagoon.
What is a ring shape coral islands surrounding a lagoon?
A coral atoll.
What is the main Island of Kure Atoll?
It is called Green Island.
What is yaren's atoll?
An atoll is a coral island that encircles a lagoon partially or completely. Yaren, is a district and constituency of the Pacific nation of Nauru. It is the capital of Nauru. Yaren does not have an atoll, but instead is a part of an island in Micronesia.
Polynesia site of nuclear testing by what country?
Bikini atoll, USEniwetok atoll, USChristmas Island, UK
Is Midway Island an atoll?
Midway Atoll consist of three Islands, Sand, Eastern and Spit Islands.
What do you call a ring or a partial ring of coral that forms an island?
This is called a coral atoll.
Narrow ring-shaped coral island?
atoll.
What is a 5 letter word for island group?
atoll
