Final answer:
Avoiding wake near shorelines is an example of showing courtesy towards other boaters and property owners, as it prevents damage and disturbance.
Step-by-step explanation:
The example of showing courtesy towards other boaters and property owners on the water is c) Avoiding wake near shorelines. This practice is important because wakes can cause damage to docked boats, erode shorelines, and disturb wildlife. Moreover, minimizing wake shows respect for property owners and other boaters who might be adversely affected by the waves. Courteous boating involves being aware of the surroundings and making sure your actions do not negatively impact others.