Sidereal period is referred to as the A. period of one month in earth's orbit B. time the moon takes to complete its orbit with respect to the background stars* C. time of a cycle 
(Sidereal period; is referred; as the A. period of one month in earth's orbit) (the moon; takes; to complete its orbit with respect to the background stars* C. time of a cycle; T:B. time)
Sidereal period the moon
is referred takes
as the A. period of one month in earth's orbit
to complete its orbit with respect to the background stars* C. time of a cycle T:B. time