Baking soda releases leavening gas when it reacts with an acid.

Food feed

Hydrogenuhličitan sodný
Food

Acid + base

Baking soda releases leavening gas when it reacts with an acid.

Baking soda is sodium bicarbonate, a base that releases carbon dioxide when it reacts with acid in a moist mixture. That gas helps leaven batters and doughs.

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Inside a wild-type banana
Food

Berry

Bananas are berries. Strawberries are not.

Bananas are botanical berries, while strawberries are aggregate accessory fruits. The distinction depends on how a flower becomes a fruit, not on sweetness, size or the name on a grocery label.

Peanut plant roots with developing pods attached
Food

Legume

Peanuts are not nuts. They are legumes, like peas and beans.

Peanuts are legumes, in the same plant family as peas and beans, rather than true botanical nuts. Their unusual feature is that the flowers develop above ground but the pods mature below it.

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