Final answer:
The number one threat to AK boaters according to fatality statistics is cold water immersion.
Step-by-step explanation:
The number one threat to AK boaters according to fatality statistics?
The number one threat to boaters in Alaska according to fatality statistics is cold water immersion. The ocean waters in Alaska are often cold due to the region's climate, and falling into the frigid water can lead to hypothermia and drowning. Even wearing a life jacket does not guarantee survival in extremely cold water. It is crucial for AK boaters to be aware of the risks of cold water immersion and take proper precautions.