Classify each of the following as either a country or a continent: Africa, North America, Asia, South America, Asia, China, Argentina, Canada, Mexico, Japan, United States of America
Africa is a continent.
 North America is a continent.
 Asia is a continent.
 South America is a continent.
 Asia is a continent.
 China is a country in Asia.
 Argentina is a country in South America.
 Canada is a country in North America.
 Mexico is a country in South America.
 Japan is a country in Asia.
 United States of America is a country in North America.