When yeast respire anaerobically, it converts simple sugar to carbon (IV) oxide and

Explanation

When yeast breaks down sugar through anaerobic respiration, it produces ethanol, carbon dioxide, and energy. This process is also known as fermentation.

Yeast uses anaerobic respiration when oxygen is not available. This type of respiration is important economically because it's used to make foods like bread and alcoholic drinks.

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