which of the following requirements to earn a bachelors degree usually takes around 22 courses to complete

One has to take a "major" in order to earn a bachelors degree which usually takes around 22 courses to complete.

Explanation:

This refers that a major is needed to define to which department you belong to. For example, in engineering there are different types of majors like computer science, electronics and communication, and etc, under which there would different subjects or courses that you have to complete by the end of your bachelor's degree to earn it.