Answer:
b
Explanation:
hormones of adrenal medulla are Adrenaline and non- Adrenaline. they are the derivatives of amino acids called Tyrosine( aromatic Amino acid)
B the pressure because the volume effects the pressure and the pressure effects the volume
D. Getting caught or between two objects
I would say c the others dont make sence
Well what are the clues,its just letters!