Answer: (D) All of them
Explanation: Sodium Benzoate, Acetic Acid, and Citric Acid are all commonly used as food preservatives. Sodium Benzoate is often used in acidic foods like salad dressings and carbonated drinks to inhibit the growth of bacteria, yeast, and fungi. Acetic Acid, found in vinegar, is used to preserve pickles and sauces. Citric Acid is widely used in beverages, candies, and canned foods to enhance flavor and extend shelf life by lowering pH levels, which helps prevent microbial growth. Hence, all of these substances serve as food preservatives
