Question

When bread rises, yeast causes a chemical reaction. What is it?

A. Yeast converts carbohydrates into carbon dioxide gas.


B. Yeast converts proteins into carbon dioxide gas.


C. Yeast converts carbohydrates into water which produces steam.


D. Yeast converts proteins into water which produces steam.

Answer 1

Answer: The answer is

A Yeast converts carbohydrates into carbon dioxide gas.

Explanation: I took the quiz.

Answer 2

Answer: A. Yeast converts carbohydrates into carbon dioxide gas.

Explanation: This is why bread rises.