Answer:
The correct option is: a. The amygdala; testosterone
Explanation:
Aggression is defined as a harmful social interaction that delivers unpleasantness to others accompanied by the intention of inflicting harm or damage to the other person or social relation.
The amygdalae are the two almond-shaped nuclei clusters present in the temporal lobes of brain in complex vertebrates, including humans.They are the primary neural cause of aggression.
Testosterone is a anabolic steroid and primary sex hormone in males. It is the primary chemical cause of aggression.
