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Carbonic acid forms when carbon dioxide is absorbed into water. The action of carbonic acid on _______ may produce sinkholes, caverns, and formations like stalagmites.

A. sandstone
B. limestone
C. granite
D. clay or shale

2006-09-17 07:35:47 · 1 answers · asked by Mojtaba 1 in Education & Reference Primary & Secondary Education

1 answers

limestone

2006-09-17 07:43:42 · answer #1 · answered by ijcoffin 6 · 0 0

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