Hello! Charchar here!
Answer:
The purpose of a map key is to tell you the meaning of the symbols on a map. The key on a map interprets each symbol so that you can read and understand the map.
Explanation:
Google!
Hope this helps!
Have a nice day!
Answer:
So i dont understand by thr question but i will try and i think it should be D. cause its a study group
Sorry if im wrong
A is the answer. They use this to reason with one person.