I interpreted it as what one sees in mainstream media affects their perspective of the world since as they begin to consume more of it by watching television or movies they unconsciously identify what they see as the societal norm. So for example, people constantly make jokes about how high school is nothing like the movies. The mass majority only expected the movies to hold truth however because in myriads of young adult movies they would see teenagers go to parties, have sex, sneak out the house, and other things a like which normalized those actions. So essentially when someone views media that portrays consistent stereotypes of a particular group, some may tend to associate it with real life.
A. Preposition: over; object of the preposition: bridge
A preposition shows the location of an object, it shows where something is. In this case the preposition is "over" as that is the only word that is showing 'where' something is and thus the car becomes the object.
Answer:
Documentary
Explanation:
Encyclopedia is Tertiary, Diary is Primary, and Interview is Primary. Documentary comes directly from the main source, the person with the camera. Nothing is in the middle.