A map of the regions of North America. Parts of the map are labeled A, B, and C. A is in Canada. B is the West Coast from California to Alaska. C is from Mexico to Alaska through Nevada and Arizona.

Study the map, and then answer the questions using the drop-down menus.

Canadian ShieldX coastal plainAppalachian Mountains.

B can be identified as the X Basin and RangeCoastal Rangecoastal plain.

C can be identified as the X Rocky Mountains Basin and RangeGreat Plains.