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Coral islands are made of __________. A. the remains of small marine organisms B. volcanic magma and ash C. worn-down mountains D. sand and rock Please select the best answer from the choices provided A B C D

User Pomyk
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2 Answers

2 votes

Answer:

A: the remains of small marine organisms

Step-by-step explanation:

User Saroj
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4 votes

Answer: I'm going to say A?

Step-by-step explanation:

User Paige
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