Answer:
C) influence the criteria by which the public evaluates political leaders conceal problems that actually exist.
Explanation:
The study by Shanto Iyengar and Donald Kinder in News That Matters: Television and American Opinion suggested that television news can influence the criteria by which the public evaluates political leaders conceal problems that actually exist.
Sings or plays the melody by them self or alone. (a melody that is sung by one person)
