An aquifer forms when groundwater pools between a permeable layer and an impermeable layer.
The reaction of carbonic acid in rain and groundwater with the carbonate rock.
yes, because it is formed by groundwater charged with CO2 (carbon dioxide) which forms carbonic acid
Forming in groundwater is a top hole idea
Geysers are, in fact, formed when groundwater is heated by nearby magma. They can also be formed by volcanic eruptions and earthquakes occasionally as well.
when groundwater mixes with carbon dioxide from the air it forms Carbonic Acid.
A cave or sinkhole.