But using the $200-per-month fee as an example, training for the Boston Marathon 22 weeks in advance â which is how long the BAAâs Boston Marathon training plan is for all four levels â could cost roughly $1,100 if you hire a running coach.
ocean basin. (geology). The great depression occupied by the ocean on the surface of the lithosphere. 1  Facebook. 2  Twitter.
An ocean is a large expanse of salt water that covers three-quarters of the earthâs surface. It is bounded by the continents, or the equator, and other imaginary lines. The Earthâs seven main oceans are; the Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian and Antarctic Oceans. These seven main oceans comprise the âworld oceanâ. Sea on the other hand, is a body of salt water that is surrounded by land on all or most sides, or that is part of one of the oceans.