Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone, and limestone Limestone Limestone is a grey rock that is made of calcite. Given these facts, what is formed when calcite is dissolved among the following options:
- graptolites
 - patch reefs
 - a cavern
 - a solute
 - body water
 - tube
 - In sediment
 - glass


 

   a cavern      