Why is carbonic acid the most abundant acid in chemical weathering?

A) Carbon dioxide is present in the atmosphere and in soil; it combines with water vapor in the atmosphere and water percolating through soil to produce weak carbonic acid.
B) Carbon dioxide easily breaks down to carbonic acid.
C) Carbonic acid is so good at chemical weathering that it appears all the time.
D) Acetic acid is rare, so carbonic acid is common.


Answer: A

Environmental & Atmospheric Sciences

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