To keep from accidentally changing that worksheet, if it’s hidden you won’t risk clicking on something and changing it
D.. PSAT REASONS TO TAKE THE PSAT. The PSAT is a two-hour test given once a year in October. Many students take the PSAT, not only as preparation for the SAT taken in senior year and widely used as a major criterion for college admissions, but also to qualify for the National Merit Scholarship Competition.
After college, Katherine became a teacher. She taught school until she got married and had children. When her husband became very sick, she started teaching again to support her family. When Katherine was 34, she heard that NACA (later called NASA) was hiring African American women to solve math problems.
Its not a sound its a substitute for the actual meaning its let freedom be heard