Acadence in music of the common practice period involve two chords at the end of a phrase or composition. there are several chords frequently used that precede the final chord of a phrase or composition. which two chords usually function as cadence chords (that precede the final chord of a phrase or composition)?

a. i and v
b. vi and iii
c. iv and v
d. iv and vi
c. iv and v

Photography has changed its subject matter quite a lot over the past few years. in the 1800's, it was considered normal for families to have  post mortem photos of their loved ones, and now that would be completely unacceptable. i think that photographers have always pushed boundaries and have been eager to capture everything, it is just society that changes their boundaries.