What substance causes yeast bread to rise?
A) alcohol
B) lactic acid
C) sugar
D) carbon dioxide
E) oxygen

Name: What substance causes yeast bread to rise? A) alcohol B) lactic acid C) sugar D) carbon dioxide E) oxygen
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Question

What substance causes yeast bread to rise?  
A) alcohol
B) lactic acid
C) sugar
D) carbon dioxide
E) oxygen

Quizplus · Accepted Answer

Yeast produces carbon dioxide as a byproduct, which is what causes bread to rise. As the carbon dioxide is trapped in the dough, it creates air pockets and causes the bread to expand.

What Substance Causes Yeast Bread to Rise