Question

an observational documentary generally does which of the following? includes a number of interviews; provides insightful commentary limits the use of voice - over narration; includes a number of interviews allows the audience to observe events as they occur; provides insightful commentary limits the use of voice - over narration; eliminates as many signs of mediation as possible

Explanation:

Observational documentaries aim to be as unobtrusive as possible. They limit voice - over narration and reduce signs of mediation to let events unfold naturally for the audience to observe.

Answer:

limits the use of voice - over narration; eliminates as many signs of mediation as possible