Why does bubbling occur when vinegar mixed with baking soda

Baking soda and vinegar react, and one of the products of the reaction is carbon dioxide gas. This gas forms bubbles that are surrounded by the liquid.The foam is produced when bubbles of carbon dioxide from the reaction of sodium bicarbonate are trapped in the batter.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus