What are coral reefs ?

What are corals?

Why are coral reefs not found in the regions from West Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?

Why are coral reefs not found in the regions from West Bengal to Andhra Pradesh but are found in Tamil Nadu and the east coast of India?

Why are coral reefs not found in the regions from West Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?

Why are coral reefs not found in the regions from West Bengal to Andhra Pradesh but are found in Tamil Nadu and on the east coast of India?

What is coral reef?

Which of the following is related to a coral reef ?

The largest coral reef in the world is found near the coast of

Besides corals, the coral reefs are formed by