The diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches).8 people found this useful.he diving pool at the London Olympics has to be a minimum depth of 4.5 meters, but the preferred depth is 5 meters (16 feet 4 inches). 8 people found this useful.
Positive feedback mechanism. A process whereby an initial change in an atmospheric process will tend to either reinforce the process (positive feedback) or weaken the process (negative feedback). See Feedback mechanism.
Figure 4: The process of wound clotting is a positive feedback loop. Negative Feedback Loops. A negative feedback loop occurs in biology when the product of a reaction leads to a decrease in that reaction. In this way, a negative feedback loop brings a system closer to a target of stability or homeostasis.