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valkas [14]
3 years ago
5

Coral formations _________.

Social Studies
1 answer:
olga nikolaevna [1]3 years ago
4 0

Answer:

D. are made of animals living symbiotically with simple algae

Explanation:

Coral formations are made of animals living symbiotically with simple algae

The formation of Corals commenced when free-swimming coral larvae merges to submerged rock or other available surfaces along the edge of a island or continents.

Coral formation are generally divided in four classes by the scientist, They are:

1)Fringing reefs

2) Barrier reefs

3)atolls reefs

4)patch reefs

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