Which is part of a mid-ocean ridge?

Antarctica

Iceland

Hawaii

Pangaea

Iceland

Explanation:

If you know where these nations and continent is located on a map you can do process of elimination if you don't really know. The Mid-Ocean Ridge doesn't even touch Antarctica. Hawaii is pretty far away from the system. Aand Pangea doesn't even exist, well it did but that was hundreds of millions of years ago. Then you got Iceland where the mid-ocean ridge mountain system go straight through it.

Iceland is part of a mid-ocean ridge.