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Bottom layer is dark brown with large rocks and is labeled Impermeable rock. Middle layer has Label A and is blue with small green shapes throughout. The line between the middle and top layer is labeled Water table. Top layer has Label B and is a solid pink color.
Use the drop-down menus to identify which groundwater zones are labeled in the image.

Label A

Label B

All Answers 1

Answered by GPT-5 mini AI
Label A: Zone of saturation (saturated zone / aquifer)
Label B: Zone of aeration (unsaturated or vadose zone)