Iceland? Why? Turkey is Asian/European, but the only countries that are both N American and European are France (Guadeloupe & Martinique) and Netherlands (Saba, Bonaire and Sint Eustatius)
A) Coca is not singular, it is a substance, like water or garbage and therefore plural. A coca leaf is singular, like a piece of garbage or a drop of water.
B) Iceland is divided between the North American continental shelf and that of Europe. France is not a single landmass divided between two continents, it merely has territories located in other continents. Also by your logic the UK and Denmark would apply.
B) Iceland is divided between the North American continental shelf and that of Europe. France is not a single landmass divided between two continents, it merely has territories located in other continents. Also by your logic the UK and Denmark would apply.