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.
currents and cold deep currents. Changes in the density set these currents in motion. Some ocean currents are set in motion by the wind. Other ocean currents are created by something you canât see or feel. Differences in the density of water can also cause currents to form and move. Density is affected by temperature and salinity.