Answer
The outer edge of the North American continent would be the edge of the continental shelf. The line where the water meets the land is the shoreline, but is still on the continental shelf. The edge of the continental shelf is underwater, and may extend for many miles before falling off into the continental slope.
Work Step by Step
The outer edge of the North American continent would be the edge of the continental shelf. The line where the water meets the land is the shoreline, but is still on the continental shelf. The edge of the continental shelf is underwater, and may extend for many miles before falling off into the continental slope.
