When scanning effectively, what is a proactive behavior?

Proactive behavior in the context of scanning effectively is demonstrated through routine scanning of water depths. This approach helps a lifeguard monitor the aquatic environment comprehensively, ensuring they are aware of any potential hazards or issues that may arise. Regularly checking different depths allows for early detection of swimmers in distress or hazards that might not be immediately apparent, such as sudden changes in the water depth or the presence of debris below the surface. By maintaining a consistent scanning routine, lifeguards can ensure a safer environment for everyone enjoying the water, reinforcing their role in accident prevention and enhancing the overall safety of the swimming area.