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.
I'd better tie down my pen! Out on the ocean, the wind is the main culprit in generating these surface movements. The wind creates a current in the surface water; that current is then modified by the shapes of the continents and by the Earth's rotation. If you don't spend much time sailing the great oceans, you might not be familiar with the global patterns of ocean circulation, but sailors have known about them for centuries.