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.
Best Answer: An ocean is: a large body of water constituting a principal part of the hydrosphere. And oceans are the largest division of open water. A sea is: a division of an ocean or a large body of salt water partially enclosed by land Hence a sea is a smaller division of open water, and attached to an ocean.