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.
Based on their location in the atmosphere, the layers are able to have their own special characteristics. for example, most weather occurs in the troposphere. what occurs in each of the other layers?