Why is carbonic acid preferred to other acids in fizzy drinks?

- the carbonic acid (dissolved carbon dioxide in water) is not toxic

- the carbonic acid (dissolved carbon dioxide in water) is not so corrosive

- the carbonic acid (dissolved carbon dioxide in water) has a pleasant taste

- the carbonic acid (dissolved carbon dioxide in water) is cheaper

- the carbonic acid (dissolved carbon dioxide in water) is very simple to prepare and very accessible