Q: Fact 1: Rain causes erosion. Fact 2: Rain is liquid precipitation. Given the two facts above, what causes erosion?

Options are:
[A]. standing water.
[B]. coastlines.
[C]. mouth of rivers.
[D]. ice wedging.
[E]. liquid precipitation.
[F]. Physical weathering.
[G]. trees.
[H]. gravity.
The answer is:
[E].