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.
There are several negative feedback in biological system to regulate and maintain homeostasis. Some of which are the regulation of hormone synthesis, blood glucose levels, body temperature, and baroflex in blood pressure.Compare: positive feedback. See also: feedback mechanism.egative feedback. Definition. noun. A feedback in which the system responds in an opposite direction to the perturbation. Supplement. It is a self-regulatory system in which it feeds back to the input a part of a systemâs output so as to reverse the direction of change of the output.