When a body receives a stimulus, the nervous system is called to release adrenaline. under what circumstances can this happen?

Adrenaline is the hormone produced by the medulla and some of the neurons of the central nervous system. These are released into the blood stream and functions as chemical mediators. It is released during stimulus of fight, flight and times of stress.

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right