DK Clip Art

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Images 3 of 241 - Ring-shaped coral
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    Ring-shaped coral
Description:
A ring-shaped island of coral that surrounds a lagoon is called an atoll. They are formed when a tropical island sinks underwater, leaving the reef that surrounded it behind. Sometimes atolls form a complete circle around a lagoon – but often they are broken in places by storms.
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Fringing coral reef
Offshore reef
Ring-shaped coral
Volcano
Pohutu geyser
Rock cycle
Beryl gemstone
Iron pyrites
Quartz crystal
Amethyst
Agate crystals
Soil profile