The document discusses the 7 continents: North America is the third largest and fourth most populated continent, with countries including Canada, United States, and Mexico. South America is connected to North America and has the largest forest area and most of the world's forests. Europe extends from the Arctic Ocean and occupies one fifth of Earth. Asia has the most population and takes up the most space. Australia was inhabited by humans as long as 100,000 years ago. Antarctica is the fifth largest continent and covered by ice. Africa is the fourth largest continent and home to most wild animals.