We can immediately reject two of the answers: "ameliaration" and "pejoration" as they mean that something has a better (the first) or a worse (the second) meaning -but this is not the case here.
Now, the trend is: something returned>>income>> income from rent
as you see, it has a more and more specialised meaning - the answer is "specialization"
Rhythm
dynamics
melody
harmony
tone color
texture
Because art is a powerful form of communication and creative self-expression.
I have this question too but i think it's D. For money
