Answer:
The answer is (c) paid media
Explanation:
Because they are paying for the ad to be displayed online. hope this helps!
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Experiments. ...
Surveys. ...
Questionnaires. ...
Interviews. ...
Case studies. ...
Participant and non-participant observation. ...
Observational trials. ...
Studies using the Delphi method.
a diagram of the sequence of movements or actions of people or things involved in a complex system or activity.
