What is the texture of the song “Mass” ?

Igotta why is there only 2 semesters and 4 quarters and not 4semesters and 4 quarters? 1 quarter for each semester? ? is this a dumb question?

How did the scholars date the mosaic?

What is the key to finding personal fulfillment in your job a. to have high salary b. to engage in lifelong learning c. to interview people in the field d. to reevaluate your career choice annually