I'm assuming you mean topographic maps, in that case C. Elevation
Answer:
I am confused on what this is supposed to be, but if you are talking about chemicals, then your answer is sulfur.
Hoped this is what you're looking for. Sorry if it isn't. I would love to help, but it needs to be more specific.
Washington D.C is the capital of U.S.A and Ottawa is the capital of Canada
Answer:
isnt the biggest star UY scuti?
Explanation:
this answer is not in the list but the biggest star should be UY scuti.
