Q: Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what?


Read this paragraph and choose the correct option from the provided answers:

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.

 Choices:

- carbon monoxide

- nitrate acid

- methane gas

- carbonic acid


A:
carbonic acid