As lucinda drove home, she was suddenly alerted to the sound of a blaring horn and realized she had drifted off to sleep. which nervous system division dominated when she was startled awake?

Sympathetic nervous system

Explanation:

The sympathetic nervous system is a part of the autonomic nervous system whose main function is to help the body tackle the freeze-flight-fight response. During the flight and fight response, the sympathetic nervous system regulates the homeostasis by stimulating the nervous and hormonal responses. The main hormone-induced is the adrenaline from the adrenal gland. Therefore, as Lucinda drove home, it is the sympathetic nervous system that made her wake up to the blazing horn sound. 

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun