I think it’s etching but could be wrong
A, The opera is based on a sacred topic and an oratorio isn’t.
we know that
Additive meter:
A divisive "rhythm is a rhythm in which a larger period of time is divided into smaller rhythmic units or, conversely, some integer unit is regularly multiplied into larger, equal units
and this can be contrasted with "additive rhythm" in which larger periods of time are constructed by concatenating a series of units.
It means that it is addition of rhythm
and measures increase in size as the piece progresses
So,
Answer is
D. measures increase in size as the piece progresses
Answer:
im gonna say 75 cause the rest of the question is missing
Explanation: