Groundwater is layer of rock that holds water.
Pliocene Epoch is the timescale between 5.33 my to 2.58 my. It includes fossilized remains of primates and human including Ardipithecus ramidus, Australopithecus anamensis, Australopithecus afarensis, Australopithecus garhi, and Australopithecus africanus.
Use environmental data from air, soil water,food and other materials for scientific analysis
