Why do animals need carbohydrates in their diets? A) Carbohydrates can be used by the cells in the body for energy.
(В)
Carbohydrates are the building blocks for muscles and tissues.
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Carbohydrates are used in the absorption of water molecules.
D
Carbohydrates provide insulation for organs in the body.

A. Carbohydrates can be used by the cells in the body for energy.

Explanation:

Carbohydrates are the basic source of energy for all animals. Animals obtain their carbohydrates from the external environment (compared with plants, which synthesize carbohydrates by photosynthesis). About one-half to two-thirds of the total calories every animal consumes daily are from carbohydrates.

Hope this helps! (I would appreciate brainliest, if not that's okay!)

maybe because its impossible for balloons to lift a whole entire house.