WONDER #1935: How Does an Atoll Form?
Question 1 of 3
An atoll surrounds a body of water called a what?
Question 2 of 3
The process by which a volcanic island erodes and sinks to the sea floor is called what?
Question 3 of 3
The ring-shaped reefs that make up an atoll are composed of what?
Check your answers online at https://wonderopolis.org/wonder/how-does-an-atoll-form.