Carbonated water is more damaging to your teeth than regular water. Explain why.

“The acid in the sparkling water softens up the surface of the tooth,” Ruby explains. ... The longer acids are in contact with your teeth, the more damage they do. Beware if you have dry mouth. Saliva helps neutralize acid, so think twice about the bubbly if you have dry mouth.

since electrons are negative the answer is neagtaive