2.  This is the third - largest continent in size but ranks forth among the continents in population.

3.  North America includes Greenland Canada the United States Mexico the countries of Central America and the islands of the Caribbean Sea.

4. North America the most varied weather of all the continent of all the continents. In fact it is the only continent with every kind of climate.

5. The northern are ice-covered polar regions, and the southern areas are warm and tropical.In between, there are temperate subtropical and semi- arid regions.

6.  North America is shaped somewhat like a down- pointing triangle it is bordered by the Artic, Pacific and Atlantic oceans on three sides.