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Kids love to explore the strange worlds of caves and their fantastical formations, but how do these caverns come to exist? This book explores the natural processes at work as acids gradually eat away limestone, hollowing out what eventually will become a cave from sheer rock.
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Kids love to explore the strange worlds of caves and their fantastical formations, but how do these caverns come to exist? This book explores the natural processes at work as acids gradually eat away limestone, hollowing out what eventually will become a cave from sheer rock.