Answer:
One similarity between Sci-Fi and Opera is that both include storytelling
Two differences between Sci-Fi and Opera are
1. Sci-Fi is usually more science based while Opera is more romantic/emotion based
2. Opera includes dramatic emotional songs while Sci-Fi usually doesn't
Explanation:
Relief is a sculptural technique where the sculpted elements remain attached to a solid background of the same material. The term relief is from the Latin verb relevo, to raise. To create a sculpture in relief is to give the impression that the sculpted material has been raised above the background plane.
It starts slowly, with only a few instruments. Gradually speeds up the tempo, gradually gets louder, adding more instruments....but the same tune is repeated over and over again. The single the,e achieves unity. The tempo and dynamic changes (Loudness, speed) give is the variety.