If large areas of limestone underground are dissolved by the action of groundwater these cavities can become caves or caverns (caves with many interconnected chambers) once the water table is lowered.
(large areas of limestone underground; are dissolved; by the action of groundwater) (these cavities; can become; caves or caverns (caves with many interconnected chambers; T:once the water table is lowered) (the water table; is lowered; )
large areas of limestone underground these cavities the water table
are dissolved can become is lowered
by the action of groundwater
caves or caverns (caves with many interconnected chambers T:once the water table is lowered