Soil is formed when the rock at Earth’s surface weathers. Normally, soil develops into three layers, called horizons. The illustration below shows the A, B, and C horizons of a typical soil profile.
Based on the diagram, if the surface vegetation were removed, which would be the likely effect on the soil?
A . The top 1 or 2 unprotected layers might wash away.
B . The C horizon would be further buried.
C . The A horizon would enlarge.
D . The order of the horizons would be reversed.
E . The B horizon would disappear entirely.
Answer: A