Homeostasis is how the body controls things inside of us. For example our body temperature and percentage of water. It is important because it means our cells will be able to live properly and also bacteria strives best at 37 degrees celsius (body temperature).
Explanation:
<h2>Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. This is called multiplication. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture.</h2>
1: B
2:D
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