Ethan makes the table below to record his observations when mixing baking soda and vinegar in a beaker.

Ethan claims that a chemical change has occurred. Which statement provides the BEST evidence to support his claim?
A.
Many bubbles formed after mixing.

B.
The liquid remained clear after mixing.

C.
The remaining solid settled after mixing.

D.
All of the solid disappeared after mixing.

A. Many bubbles formed after mixing.