Why is baking soda a necessary ingredient in some cake recipes?

Baking soda (sodium bicarbonate) is used as a leavening agent when a recipe contains acid ingredients. Baking soda, an alkaline ingredient, plus an acid ingredient, such as buttermilk, vinegar, molasses or sour cream creates a chemical reaction to form carbon dioxide gas in a baked product making it rise and become light and porous.

Explanation:

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101