As the yeast feeds on the sugar, it produces carbon dioxide. With no place to go but up, this gas slowly fills the balloon.
A very similar process happens as bread rises. Carbon dioxide from yeast fills thousands of balloonlike bubbles in the dough. Once the bread has baked, this is what gives the loaf its airy texture.
Answer:
The answer is a. Annelida
The best answer would be E.
Both are examples of food consumption:)
Cross over? i have no idea lol
