The answer you are looking for is “Drought”.
A rift valley is a deep valley on the land that forms a divergent boundary.
Answer:
Our breath being absorbed by the atmosphere and dumped back down in the form of rain or snow
Temperature control is another negative feedback mechanism. ... This example is very complex because the hypothalamus can change the body's temperature set point, such as raising it during a fever to help fight an infection. Both internal and external events can induce negative feedback mechanisms.
