a: groundwater ~
b: an underground lake, not!
What:
"Many people think that groundwater is like an underground lake, but it is really the water that is found in the pore spaces between the grains of rock and sediment that make up the structure of the Earth."
Useful?
Writer:
LCC:
Where:
Date: Mar 31 2016 5:32 PM
# 9695 Critique Analogy