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1. The matter in each ingredient traces back to the sun, because a plant needs the sun to grow larger, and animals need their food to grow as well.
2. If a ingredient comes from a plant, the plant needs the sun to grow. But if the ingredient comes from a animal, than maybe its food can be traced back to the sun.
3. All of the ingredients for chocolate fudge are all traced back to plants and the sun somehow. Like salt. Salt comes from saltwater which the water is evaporated, and the salt is left behind.
4 The calories originally came from the sun because when the sun helps grow edible plants, they have calories in it! So each ingredient has to have calories in it.
5. The energy is transferred because when plants grow, they need the sun for energy. And when a animal eats plants they get energy, or calories. This is how all of the energy is transferred.