Which food is a rich source of fiber? a. honey b. corn oil margarine c. whole-wheat bread d. farm-raised salmon?

The appropriate answer is c. whole-wheat bread. Honey is a rich source of carbohydrate and corn oil margarine is a good source of fats. Farm-raised salmon is a good source of protein. Whole wheat used to make bread is a plant derivative rich in cellulose which is the main component of fiber. Cellulose can only be found in plant cell walls. 

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