Read this passage from the U.S. Coral Reef Task Force. From the information in this passage, what can you infer is NOT a threat to coral reefs?The Coast Guard performs missions and has regulatory responsibilities that address a number of the threats to and management of coral reefs. These include waterways management including maintaining aids to navigation, regulation of anchorages and vessel routing, living marine resources law enforcement, pollution and hazardous material spill response, and mitigation of the introduction of aquatic invasive species. As the U.S. representative at IMO, the Coast Guard is also engaged in international efforts to protect coral reefs from maritime activities.