When you flush a toilet, water begins to fill the tank and lift a float attached to a lever. when the water level reaches a certain height, the lever shuts the water valve and prevents the tank from overflowing. what type of regulatory mechanism is at work in this nonloving system?

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

answer biotechnology;