Pls help with 7-13 I don’t need any work shown

I thing that it is -6 hope this helps:)

Explanation:

A farmer is analyzing cross sections of his land to determine where to build a well.

Which phrase describes the best area to dig down to the groundwater?

where the saturated zone is 15 meters deep

where the water table is at 100 meters deep

where the unsaturated zone is 50 meters thick

where there is a 25-meter thick clay layer at the surface

Explanation:

the answer to your question is b

you can't see the options