Ring shaped islands called atolls a. surround an inner lagoon b. are surrounded by lagoons c. are a type of high island d. are only found in polynesia (gradpoint)

An atoll is when the island forms mostly around reefs, therefore creating lagoons. The correct answer would be A

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam