There are only one of those.
They are South America.
North America and South America.
Australia and Antarctica.
There are three continents totally within the western hemisphere: North America, South America, and Antarctica.
North and South America.
North America & South America are the continents which lie totally within the western hemisphere.
North America and South America are continents that are almost entirely within the Western Hemisphere.
Zero continents are almost totally within the Western Hemisphere. The Americas are the only continents that lie entirely within the Western Hemisphere, while Europe, Africa, Asia, and Australia are located mostly in the Eastern Hemisphere.
There are two continents that are entirely within the Western Hemisphere: North America and South America.
China
North and South America
There are only two; North and South America.
2 only North and South America