She wants to know what its porosity is. How could she test the soil's porosity?
A.
Measure the soil's volume and then the volume of water that the soil can absorb.
B.
Measure the amount of water that evaporates from the soil in one hour.
C.
Measure the mass of the soil and then measure its volume.
D.
Measure the time it takes water to make it through the soil when placed in a funnel.
