Which of the following is true about Class A fires?

Class A fires are characterized by the involvement of ordinary combustibles, such as wood, paper, cloth, rubber, and some types of plastics. These materials are common in everyday environments, making Class A fires one of the most prevalent types of fires encountered.

When dealing with firefighting and fire prevention, it's crucial to understand the nature of Class A fires to select the appropriate extinguishing agents. Water is often used because it is effective in cooling and suppressing these types of flames. The other options describe different classes of fires. For example, Class B fires are linked to flammable liquids, Class K fires are specific to cooking oils and fats, and Class C fires are associated with electrical equipment. Recognizing the distinctions between these classes helps inform the correct response in fire emergencies.