The part of the subsurface where most of the pore spaces are filled with air is the:
A) unsaturated zone
B) saturated zone
C) aquifer

Name: The part of the subsurface where most of the pore spaces are filled with air is the: A) unsaturated zone B) saturated zone C) aquifer
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Quizplus · Accepted Answer

The unsaturated zone, also known as the vadose zone, is the subsurface region above the water table where the pores and fractures are not fully saturated with water, but instead contain a significant amount of air.

The Part of the Subsurface Where Most of the Pore