Graph 1 Graph 2 The graph shows Year on the x-axis from 0 to 5 and Beak depth in millimeters on the y-axis from 7 to 15. The line begins at (0, 10) and ends at (5, 7.5). The graph shows Year on the x-axis from 0 to 5 and Beak depth in millimeters on the y-axis from 7 to 15. The line begins at (0, 10) and ends at (5, 13).
Graph 3 Graph 4
The graph shows Year on the x-axis from 0 to 5 and Beak depth in millimeters on the y-axis from 7 to 15. The line begins at (0, 10) and ends at (5, 10). The graph shows Year on the x-axis from 0 to 5 and Beak depth in millimeters on the y-axis from 7 to 15. The line begins at (0, 10) increases to almost 11 and ends at (5, 10).

Which of the above beak depth vs time graphs represent the change in finch beak depth that would occur during a sustained drought?
a.
Graph 1
b.
Graph 2
c.
Graph 3
d.
Graph 4
I NEED TO KNOW ASAP