It is the Mantle im guessing
Answer:
ponds, lakes, rivers, streams, springs, all types of places.
Explanation:
I believe a large food distribution company. Since her degree is in book keeping and a food distribution company must keep track of their sales and where everything goes and how much they sent. :) if this is wrong I’m so sorry
Political if you are talking about where the country meet another and its a natural boundary if it is physical like a river or mountain range
Uhhh u gotta show a picture. but it might be topigraphical if it has group of mishaped lines