Answer:
Potatoes: Keep potatoes in a cool dry place. Place them in a paper bag, which is porous (plastic is not), and keep them away from onions. Do not place them in the fridge. They will turn into a mass of starch and sugar, and will become sweet and gritty tasting. In addition, refrigerated potatoes darken when you cook them, and they will have an unpleasant sweet taste.
Onions: The moisture in onions will eventually turn them soft and moldy. Keep them in a cool, dry place. However, keep chives and green onions in the fridge because of their moisture content.
Garlic: Store heads of garlic in a cool, dry place. In the fridge, they will start to sprout and become rubbery.
Bread: Bread loses its moisture and softness and turns dry in the refrigerator.
Olive oil: Olive oil will harden in the refrigerator. Keep it in a cool, dark place.
Coffee: Coffee will absorb odors from other foods in the fridge and lose its flavor.
Honey: Honey crystallizes when refrigerated.
Bananas: Bananas will stop ripening in the fridge; however, their skins will become dark.
Tomatoes: Tomatoes lose their flavor and become mushy if stored in the fridge.
Peanut butter: Peanut butter becomes hard and loses flavor in the fridge. It's easier to spread when kept at room temperature.
Explanation: