Chemistry, 28.07.2019 23:00, completed7

In caves, dripping groundwater containing calcium bicarbonate can form stalactites and stalagmites. when the water is exposed to air, some of the calcium bicarbonate turns into calcium carbonate, which gets deposited on the ground. what makes this process a chemical change?

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In caves, dripping groundwater containing calcium bicarbonate can form stalactites and stalagmites....