Respuesta :

Answer:

Yeast works as a leavening agent in bread, changing the sugars in dough into gas, which creates the bubbles in the loaves. … However, because yeast will eventually switch from aerobic to anaerobic respiration, the yeast will run out of nutrition -- oxygen.

Explanation:

Answer:

Yeast works as a leavening agent in bread, changing the sugars in dough into gas, which creates the bubbles in the loaves. ... However, because yeast will eventually switch from aerobic to anaerobic respiration, the yeast will run out of nutrition -- oxygen

Explanation: