Sort of.
A Greenland passport documents Danish citizenship and is really a type of Danish passport.
See: http://travel.state.gov/visa/frvi/reciprocity/reciprocity_3548.html
Greenland is not an independent country, it does not issue passports. Greenland is part of Denmark. To get a Danish passport you need to be a Danish citizen. The same applies for any passport, you need to be a citizen of that country.
No.
No, it is different. Passport cards also have its own limitations as compared to the traditional passport book.
Every child needs his/her own passport to travel outside of their home country.
Greenland is a member country of the Kingdom of Denmark, so it is politically part of Europe.
You need a passport when travelling to a country other than your own and when returning to your own country from another country.
Greenland~!
You only need a passport for if you are going abroad as far as I know.
Do you mean when you get married? Get a new passport. It is no longer possible for a husband and wife to have a joint passport. Everybody must have their own passport.
Greenland can not be it's own continent because it does not posess bio-geo diversity unique to it's own landmass as does say Australia which is itself a large island. Greenland shares much of its geology and biology with North America. Greenland is also part of the North American tectonic plate.
THE PASSPORT IS "OWNED" by the issuing country, not the bearer. That's why it can be taken away with out warning
They own Greenland.