North and South America, for the purposes of this question, are the same continent or island, called America. An island is a small piece of land surrounded by water. read more
An island is a small piece of land surrounded by water. One gray area is Australia, which can be considered small enough to be an island or large enough to be a continent on its own. read more
An island is a landmass completely surrounded by water. Australia is an island continent; Greenland is an island. Islands can be of two main types: 1) Continental islands are attached to a continent, seperated by water on what was low land between the masses. Great Britain & Tasmania are continental islands. read more