Question

How are coral reefs formed? Give two examples

Answer 1

When the aquatic animals die in water, their bodies were lying on the surface of water and due to the waves of water, bodies go to the corner of the ocean or seas and became very hard due to the action of air and sunlight and became a coral reef.

Examples- The great barrier reef & Amazon reef.

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Answer 2

coral reefs are formed when free swimming coral larvae attached to submerged rocks or other hard surface along the edge of islands And continents. as the Coral grow and expand reefs take one of the major three characteristics that is fringing ,barrior and atol