Answer:

Explanation:
Displacement is a vector that defines the position of a particle. The vector extends from the initial position to the final position. Therefore, the displacement only takes into account this positions, since its trajectory is not important:

Answer:
Private Investigator.
Investigative Genetic Genealogist.
Historic Preservationist.
Military Repatriation Expert.
Heir Searcher.
Explanation:
Ocean currents are caused by density differences in the water and move water masses through the deep ocean