Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Limestone Limestone Limestone is a grey rock that is made of calcite. Given the two facts above, answer the question "What is formed when calcite is dissolved?" with the following options: - graptolites - patch reefs - a cavern - a solute - body water - tube - In sediment - glass
A:
a cavern