a) Alaska

Alaska has the longest coastline of any U.S. state, stretching over 6,640 miles. This extensive coastline is characterized by a rugged and diverse landscape, including fjords, bays, and islands. Alaska’s coastal areas are home to a rich array of wildlife and are crucial for maritime industries, such as fishing and shipping. The state’s coastline also offers stunning natural beauty, with many areas remaining remote and largely untouched by human development. Alaska’s coastline is a vital resource for both its ecological significance and its economic value.