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Calcium Carbonate

where are stalactites formed
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Where Are Stalactites Formed?

Stalactites are the stony deposits hanging like icicles from the roofs of caves. Stalagmites are similar deposits rising in columns and cones from the…

what is chalk
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What Is Chalk?

Chalk is a soft, white limestone. The chemical composition is calcium carbonate with minor amounts of silt and clay. It was formed from the