"Students often switch majors, many more than once. As a result, it is becoming commonplace to take five or six years to earn a bachelor's degree." (Paragraph 13)

What does the second sentence do?

It adds more detail to the first sentence.

It establishes a time order relationship.

It establishes a cause and effect relationship with the first sentence..

It contrasts how easy it is to switch majors with how hard it is to earn a college degree.