While entering her darkened apartment juanita feels someone tap her shoulder from behind (her roommate). juanita's sympathetic nervous system triggers her adrenal glands to release the stress hormones epinephrine (adrenaline) and norepinephrine (noradrenaline), which stimulates behavior. this reaction is known as: ?

The answer to this question is  the flight-or-fight response.
 the flight-or-fight response is quick process of analyzation that many organisms experience if we experience a threat to our survival.
During, the flight-or-fight response, chemcials such as adrenaline is released throughout our body in order to quicken our responses.

Apresident can veto /reject a bill

Icould be wrong but i would say b.