Features of an atoll are:
They thrive in warm tropical and subtropical waters.
Most are found in the Pacific Ocean.
They are products of the growth of topical sea organisms.
They are usually round and formed around a lagoon.
An atoll is a ring-shaped coral reef and features a lagoon. Some examples of atolls are the Bikini atoll, Tubbataha Reef and Lighthouse Reef.
kingman reef
A tropical lagoon is encircled by an atoll.
A coral atoll.
an Atoll.
atoll
Atoll
No it is not. An atoll is largely made up of coral reef and is generally flat land (Tokelau is an atoll) Samoa has mountains and is not flat.
Atoll
An atoll.
an atoll
the second largest reef