i think the answer is c. an element or compound that cannot be physically separated. sorry if im wrong.
the ground water refers to water present in the under earth in the cracks or pores or similar spaces.we majorly depends upon this sources of water specially in rural area.
it in irrigation and also serve as drinking water supply.
the words or phrases which identify layer of ground water are:
a) water table: the uppermost water saturated layer
b) kettle lake: it is an underground lake (not ground water)
c) saturation zone : this is the zone of water below the water table
d) undergound lake: this is kettle lake (not ground water)
e) sink hole: not a layer of ground water
so the layers of ground water are
a) water table
b) saturation zone
the answer is d, it has indefinite shape but definite volume.
hope this !
well i got this from an old chem test so im sure its right