There is much more fresh water underground than on the surface. A rock layer must be porous and permeable to be a good aquifer. An impermeable layer makes up the bottom of an aquifer. The water table rises and falls with additions or subtractions to the groundwater system.
The correct answer would be D, gravity. As moving water will cause rocks to erode as well as wind, and animal habitation.
Answer:
A
Explanation:
ice's density is lower that water's density
The spinal cord is made up of bundles of nerve fibers.
Answer:
mountain and coastal plains
Explanation:
i think it would be coastal plains because the area with low elevation is near the sea. only one answer has coastal plains in it, so use process of elimination. additionally, mountain makes sense since theyre usually steep and end in a peak.
