D?? It would make sense cause well it has the Key next to it.. and Inches Of Rain to the left of the graph..and Month on bottom...
Answer:
An amendment must be ratified by either the legislatures of three-quarters of the states or state ratifying conventions in three-quarters of the states.
Explanation:
I think they used the scientific method if this is wrong I'm very sorry I apologize I hope this helps :-)
Siberia is known to have the most accessible oil reserves.