Which stateent is true concerning visual distress signals on a boat?

Visual distress signals on a boat are essential for indicating emergencies and attracting attention for assistance. They must be U.S. Coast Guard-approved and can include flares, signal flags, or other devices that release smoke or light. It's important for boaters to understand how to use these signals properly and ensure they are readily accessible while on the water. Failure to have the appropriate visual distress signals can result in safety risks and potential legal penalties.