Conversation so far:
are there any countries that are not part of a continent
is greenland not part of a continent
Greenland is geologically a part of North America although it is a territory of Denmark, making it politically and culturally European
why is greenland not considered a contnent
Greenland is not considered a continent because resides on the North American tectonic plate and it is not geologically separate from Canada, the United States, and Mexico

Question: what is the population's ethnicity
Self-contained rewrite: what is greenland's population's ethnicity