Porosity Is the Term That Describes the Amount of Void

Porosity is the term that describes the amount of void space within a material. What explains why porosity is important with respect to soils?

A) provides plant roots access to moisture and oxygen
B) makes soils less compactable
C) reduces the ability of erosion to strip away topsoil
D) provides space for the breakdown of aluminum minerals
E) allows iron oxides to accumulate