Question

132] Voice : (i) Coral has been highly valued by people of all ages. (ii) Coral islands are found
in the Indian ocean. (iii) Corals build stone-like structures of various shapes.
(iv) Only an expert can tell us the value of a small piece of coral. (v) I will see him soon.​

Answer 1

This circular type of coral reef, called an atoll, is created as a ring of coral surrounds an undersea volcano that has risen above the water's surface. Long after the volcano has receded into the ocean, the atoll remains. The habitat inside the atoll, protected from the open sea by the sturdy reef, is called a lagoon