Continental slope and Three-mile limit

Continental slope noun - The steep descent of the seabed from the continental shelf to the abyssal zone.

Three-mile limit and continental slope are semantically related. in ocean floor by continent topic. In some cases you can use "Three-mile limit" instead a noun phrase "Continental slope".

Three-mile limit noun - The limit of a nation's territorial waters.

Continental slope and three-mile limit are semantically related. You can use "Continental slope" instead a noun phrase "Three-mile limit".