Jack, a student, has applied for a job in one of the top private banks in the U. S. Jack feels securing a job with a private bank would fulfill his desire for steady employment. With respect to Maslow's hierarchy of needs theory, by securing a career in private banking, Jack is most likely to fulfill his needs.

Safety.

Explanation:

In physiological studies, Maslow's hierarchy of needs refers to the motivational theory containing a five-stage structure of human needs, which are displayed in hierarchical stages inside a pyramid. These needs starting at the lowest level of the hierarchy to upward start from physiological to safety then love followed by esteem and at last self-actualization. The most basic needs lie at the lowest levels of the hierarchy and as we move upward they become more complex.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.