Answer:
Chile is the answer I think
It is 10 latitude 45 and longitude
latitude and longitude helps you if you are lost and you see a map lets say you were on the phone with 911 and they asked you were you are.That is when you wold say oh i am at 45 longitude and 10 latitude.
The answer is Petersburg Volgograd
I would go with D, because acid can be reduced by using it less
