Which of the following are the two quantities whose functional relationship is described in the given graph?

(1 point)
O The two quantities are the average rainfall in inches and the years.
• The two quantities are the average rainfall in inches and the month of the year.
• The two quantities are inches and months of the year.
• The two quantities are the x-values and the y-values.

The two quantities are the average rainfall in inches and the month of the year.