Answer: You could use old documents to help you make new medicine.
Explanation:
With latitude and longitude lines, we can exactly identify every place on earth, and do so in a reliable, unambiguous way. A certain point can be assigned to only one latitude line and to only one longitude line, and by knowing both of these lines we can determine the exact location of that point with certainty.
Answer:
Minnesota, North Carolina, and Arkansas
Explanation: