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lectur13-page11

lectur13-page11 - But remember that “food” is made up...

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11 Substitutes: A varying number of substitutes can be found for almost all wants. 1. Any substitutes for food ? What are our basic food needs? Well, for “food” in general probably not.
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Unformatted text preview: But remember that “food” is made up of a large variety of food items. Remember, we need calories, protein (amino acids), minerals, vitamins, and water....
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