Sand ridges that connect an offshore island to the mainland are called what?
What island country is found in the North Atlantic and its northern border passes through the Arctic Circle?
An island is a body of land completely surrounded by water. A mainland is a larger body of land surrounded by water. A mainland is the largest of the other islands. A mainland isn't determined by size, it's determined by size compared to other islands. For example; Hawaii is a mainland. Kauai is an island. This is because Hawaii is larger than Kauai. Depending on how you look at it, Hawaii would be an island…