What is the purpose of wood preservatives?

Wood preservatives serve primarily to protect wood surfaces from deterioration and decay. They are specially formulated chemical solutions that are applied to wood to prevent damage caused by moisture, insects, fungi, and other factors that can compromise its integrity and lifespan. By forming a protective barrier, these preservatives help maintain the wood's structural strength and appearance over time, thereby extending its usability in various applications, such as construction, furniture, and other wooden products.

While enhancing aesthetic appeal, providing fire resistance, and strengthening physical properties can be beneficial qualities, these are not the primary purpose of wood preservatives. Their main function is to safeguard the wood against degradation, making option B the most accurate response in this context.