Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what?
methane gas
carbon monoxide
nitrate acid
carbonic acid
Rainwater absorbs carbon dioxide (CO 2 ) as it falls. The CO 2 combines with water to form carbonic acid. The slightly acidic water is especially good at dissolving the rock limestone. Groundwater creates landforms by dissolving away rock.