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.
â¢ The sun is the major source of energy that drives wind and ocean currents. â¢ Surface currents and deep currents form convection currents that move ocean. water. Why It Matters. Earthâs ocean plays an important role in the transfer of both matter and energy around. Earthâs surface.