Final answer:
Fruits and vegetables contain vitamin C, an essential nutrient that plays many roles in maintaining good health. It is particularly abundant in citrus fruits and helps protect cells from damage and supports the immune system.
Step-by-step explanation:
All fruits (and vegetables, too) contain some amount of vitamin C. Vitamins are organic compounds that function as coenzymes, playing many roles in good health. Fruits and vegetables, such as citrus fruits, are particularly good sources of vitamin C. It is an antioxidant that helps protect cells from damage and supports immune function.