Afarmer 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? a. where the saturated zone is 15 meters deep b. where the water table is at 100 meters deep c. where the unsaturated zone is 50 meters thick d. where there is a 25-meter thick clay layer at the surface

The phrase that describes the best area to dig down to the groundwater is "If the saturated zone is 15 meters deep"

The saturated zone refers to an area in the ground where the enough water is stored in tiny spaces between the rock, soil, sand, gravel etc

Usually, the ground is examined with specialized equipment to detect areas which the most saturation of groundwater.

Since the farmer is using a manual way to determine the saturated zone, then, he should dig the well if the area where the saturated zone is reached within 15 meters.

Therefore, the Option A is correct because it is the best area to dig down to the groundwater.

Read more about this here

link

ANSWER:

If the saturated zone is 15 meters deep, that area is the best to dig down.

EXPLANATION: