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