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  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

happy to

pls mark as brainliest

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.