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What does groundwater naturally contain that allows it to dissolve limestone and form caverns?

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Carbonic Acid, formed from carbon dioxide in the soil that seeps into ground water, will slowly dissolve limestone over time. 5 years ago. Groundwater naturally contains carbon acid that allows it to dissolve limestone and form caverns
User Mohammad Desouky
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Caverns are formed due to Carbonic Acid which is found in ground water and which also dissolves limestone.
User Dgan
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