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On this map of Florida, the area in the black box is known as the Florida Keys. The Florida Keys are an example of what geographic feature?

User POSH Guy
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Answer:

Geologically, the Florida Keys are made up of the main exposed parts of coral reefs. Some of the islands have been exposed for so long that sand has built up around them, creating barrier islands, while other smaller islands remain as coral atolls.

Step-by-step explanation:

User Anand Bhushan
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