What happens if a lifeguard does not maintain constant supervision?

When a lifeguard does not maintain constant supervision, it significantly increases the risk of accidents. Lifeguards are trained to observe and respond to potential hazards and emergencies in aquatic environments. Continuous monitoring of swimmers allows lifeguards to identify early signs of distress, prevent incidents, and provide immediate assistance when necessary.

Without consistent observation, situations such as drowning, injury, or other emergencies can go unnoticed. The presence of a vigilant lifeguard not only acts as a deterrent to unsafe behavior but also ensures that help is readily available in times of need. Consequently, the lack of ongoing supervision undermines the safety of the swimming area, making it more likely that accidents will occur, which is why this option is the correct answer.