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?

What refers to the distance between two sound frequencies or pitches?

In an article about americans working in middle eastern countries, cicy, a white journalist, is described as knowing that she should cover her hair when she leaves her house. according to this article, cicy:

In this unit, it is mentioned that in order to enter into the field of photography, most jobs require at least a high school degree. since there is a possibility you can attain one of these jobs with just finishing high school, why do some people get an associates or bachelor’s degree?