Niko was hiking in the mountains when he found a spring, or a place where water naturally flows out of the ground. Where did the water in the spring come from?
A.
It is water that was squeezed out of an igneous rock when the rock changed.
B.
It is water that was produced by organisms living underground.
C.
It is water that condensed underground when the soil became colder during the winter.
D.
It is precipitation that fell on the ground and seeped down to a layer of rock.