Final answer:
Before starting a gasoline engine on a boat, it is essential to run the bilge blower for at least four minutes to eliminate explosive gases. Additionally, to protect Maryland waters, boaters should clean their vessels to prevent environmental contamination.
Step-by-step explanation:
For safety and the prevention of accidents, it is recommended to run your boat's bilge blower for at least four minutes before starting a gasoline engine. The purpose of the bilge blower is to remove any potentially explosive gases that may have accumulated within the boat's bilge area. By ensuring these gases are expelled, the risk of ignition is greatly reduced when the engine is started.
To further protect Maryland waters and adhere to environmental concerns, it is also important to engage in practices such as removing all visible plants, animals, mud, and debris from the boat's external parts like the hull and propeller, and ensuring the bilge areas are drained and rinsed. These actions help to prevent the spread of invasive species and maintain the health and safety of the water ecosystem.