B. it is younger than the rock below. :3
Alaska (USA) in west, 12 US states of the continental United States in south, Greenland (an autonomous country within the Kingdom of Denmark), and Saint Pierre and Miquelon (an island which belongs to France).
All topographic maps used the same map legend because this is the most practical way to share symbols and colors. If every region had its own unique map legend, reading topographic maps would be a nightmare.
Answer:
You can try learning the states them in alphabetical order along with their capitals or from the smallest state to the biggest state. try learning all the Northern states and the proceed to the north Eastern states etc.
Explanation: