What is the Relationship Between Rock Weathering and Carbon Dioxide?

When silicate rocks, a very common class of rock, are exposed to the air and to normal weathering, they erode. Carbon dioxide is attracted to these eroding rocks and binds to them, forming calcium carbonate.

Calcium carbonate is eventually washed into the ocean where it settles to the bottom. This process, this forming of calcium carbonate, has the effect of sucking the carbon dioxide out of the air and storing it at the bottom of the ocean. {~H�

See: https://www.skepticalscience.com/weathering.html

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