When two voices sing exactly the same note simultaneously, the voices are singing
a. a doto.
b. in unison.
c. a cadenci.
d. a capella.

The answer is B.

When two voices sing exactly the same note simultaneously, the voices are singing In Unison or unisono in musical Term.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"

A  documentary film  is a nonfictional motion picture intended to document some aspect of reality, primarily for the purposes of instruction, education, or maintaining a historical record.example: farenheit 911