100
The growing season is the average number of days between the last frost in spring and the first frost in fall. The graph line shows the relationship between the latitudes of Riverhead, New York; Albany, New York; and Massena, New York; and the length of the growing season at these three locations.
MAP 1
For Riverhead, Albany, and Massena, state the relationship between latitude and the length of the growing season shown by the graph.
What is direct?