Answer:
4500 years old
Explanation:
Line up 50 to the graph on the y axis and it gives a x value of 4500
Temperature,the natureof the solvent,effect of ion type
A geographic information system is information that is:
Example: Importance of the spatial component of the GIS (localization of objects, and processes, spatial interactions between elements).
Answer: Letter Choice, (C), Organized Spatially.
Hope that helps!!!! : )