Which characteristic is a benefit of synthetic fiber ropes?

Synthetic fiber ropes are specifically designed to resist rotting, which is a significant advantage over natural fiber ropes. Natural fibers, such as manila or hemp, are prone to degradation when exposed to moisture, organic materials, and environmental conditions. This decay can compromise the integrity of the rope, making it unsafe for use in critical situations like firefighting.

In contrast, synthetic fibers are made from materials such as nylon or polyester, which do not absorb water and are largely unaffected by mold or mildew, leading to a much longer lifespan and reliability in demanding conditions. This characteristic is crucial for firefighters who require equipment that maintains its strength and performance, especially in wet or humid environments where natural materials might fail.

Other options, while they may have some truth, do not represent the primary advantage of synthetic rope. They tend to be water-resistant rather than absorbing water easily, are generally less biodegradable, and may or may not be lighter depending on the specific materials and rope designs used. The resistance to rotting is a key benefit that ensures the performance and safety of synthetic fiber ropes in the field.