Final answer:
The correct way to keep dry storage areas is to keep them clean and dry to prevent the growth of microorganisms and maintain the quality of stored items.
Step-by-step explanation:
The correct answer is c) Clean and dry. Dry storage areas should be kept clean and free from moisture to prevent the growth of mold, bacteria, and other microorganisms. Moisture can lead to spoilage and contamination of stored items. Additionally, a clean and dry environment helps to maintain the quality and shelf life of stored goods.