Question

Which of these statements correctly explains the difference between an atoll and a lagoon?
A.an atoll is a steep mountain with a peaked top, and a lagoon is a mountain with a flat top.
B.an atoll is a coral island formed on top of a volcano, and a lagoon is the water enclosed within it.
C. A lagoon is a coral island formed on top of a volcano rim, and an atoll is the water enclosed within the lagoon.
D.A lagoon is the shallowest part of the ocean, while an atoll is in the deepest part.

Answer 1

An atoll is a ring-shaped reef, island, or or chain of islands made of coral. A lagoon is salt water in a bank of water. So the answer is B.

Answer 2

The correct answer is B. An atoll is a coral island formed on top of a volcano, and a lagoon is the water enclosed within it.

Explanation

An atoll is the result of geological processes in which a volcanic island is submerged in the sea forming a lagoon with an exit to the sea in its crater, also this is characterized by the formation of corals around it. On the other hand, a lagoon is a container of freshwater that is usually found in continental areas or in atoll. So, the correct answer is B. An atoll is a coral island formed on top of a volcano, and a lagoon is the water enclosed within it.