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. provides space for the breakdown of aluminum minerals
C. makes soils less compactable
D. allows iron oxides to accumulate
E. reduces the ability of erosion to strip away topsoil


Answer: A

Environmental & Atmospheric Sciences

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