Michael has recorded his observations while mixing vinegar and baking soda in a beaker.

Observations Before Mixing:
• Vinegar is a clear liquid.
• Baking soda is a white solid

Observations After Mixing:
• The liquid remains clear.
- Many bubbles form.
• The remaining solid settles at the bottom.

Which observation supports Michael's claim that a chemical change has taken place?
(1 point)

A. All of the solid disappeared after mixing the ingredients.

B. The liquid remained clear after mixing the ingredients.

C. The remaining solid settled after mixing the ingredients.

D. Many bubbles formed after mixing the ingredients.

D. Many bubbles formed after mixing the ingredients.

This observation suggests that a gas is being produced, indicating a chemical change.