OC All rock layers are older than the earth
Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.
The purpose of a model is to take a complex, real-world situation and pare it down to the essentials. If designed well, a model can give the analyst a better understanding of the situation and any related problems. A good model is simple enough to be understood while complex enough to capture key information.
I hope this helps (if it did pls mark as brainest)
Pls have a beautiful and wonderful day
Answer:
dee's decision is an example of relaxed change
