It is driver because all of the other jobs include people at desk
The correct answer for the question that is being presented above is this one: "B. building of the transcontinental railroad --> disappearance of the frontier." The pair of events that did the first event most directly influence the second is the building of the transcontinental railroad --> disappearance of the frontier.
A good advancement would be a portable radio. They have made life easier for people who are walking/hiking and are looking for something such as the weather for the night or the score for a sports game.
The type of homeostatic regulation that is best described by the physiological responses of Jared would be the extrinsic regulation. It is the homeostatic regulation that results from the endocrine system and the nervous system activities. These organ systems are responsible of controlling a number of activities in the body simultaneously.<span />
