In the revised, fifth edition of the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders (DSM-5), hoarding disorder becomes a separate diagnosis, characterized by a persistent difficulty discarding or parting with possessions, regardless of their actual value..
Surface ocean currents are driven mainly by winds and are affected by seasons.Deep ocean currents are driven mainly by density and temperature gradients. However the most important and fundamental causes for the formation of the ocean currents are solar heating,winds and gravity. Source(s): Arasan Â· 9 years ago.
The following factors cause ocean currents: (a) The prevailing winds are the major cause of the ocean waters moving in a definite direction. The pushing action of these winds makes the waters flow as they do. Like the planetary winds, currents too are deflected from their original path due to the rotation of the Earth.