The correct answer is letter C
The Public Relations Society of America is a non-profit association for public relations professionals. Was founded in 1947.
Public Relations is the work with the image and institutional identity, seeking, through strategic communicational actions, a greater interaction and good relationship with its publics, regardless of the area of activity of the organization.
The answer is psychoacoustics in which it is the study of the psychological associates the physical measurements of acoustics and it is a branch of psychophysics. In addition to perception, audibility threshold is the lowermost sound pressure level that can be reliably noticed at a given frequency and temporal integration the procedure by which a sound at a constant level is alleged as being louder when it is of the greater period.
That we have become a permanent gender role in the society( I guess so....)
The one that is a popular music is : c. Secular music
Secular music is all the things that are not associated with religious music. Religious music seems to be not very popular in the world
hope this helps
