Students use a topographic map to study the effects of sion. The topographic map is shown.
What statement correctly explains where more eroded soil collects?
A. More soil collects at area W because that area is a steep slope.
B. More soil collects at area X because the area is nearly level.
C. More soil collects at area Y because that area is at the lowest level.
D. More soil collects at area Z because that area is a depression.
