Ocean Currents

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density = the ratio of a substance's mass to its volume =
displacement = the weight of liquid that is forced out of position by an object that is floating on or in it
deflection = a change of direction after hitting something
deviate = to go in a different direction
strata = layers
saline = salty
EFL subset that concentrates more on language in context than on grammar and language structures. It covers topics from accounting or computer science to tourism and business management. "Specific" means the studying through a field that is already known and relevant to a student.