Question

how are coral islands formed?​

Answer 1

Answer:

hope it help

Coral islands (5) are low islands formed in warm waters by tiny sea animals called corals. Corals build up hard external skeletons of calcium carbonate. This material, also known as limestone, is similar to the shells of sea creatures like clams and mussels. Colonies of corals may form huge reefs.

Answer 2

Answer:

Coral islands (5) are low islands formed in warm waters by tiny sea animals called corals. Corals build up hard external skeletons of calcium carbonate. This material, also known as limestone, is similar to the shells of sea creatures like clams and mussels. Colonies of corals may form huge reefs