Answer:
opera buffa
Explanation:
a comic opera (usually in Italian), especially one with characters drawn from everyday life.
The correct answer is Classical music.
I believe the correct answer is: material that the lens is
made from.
Lenses are engineered to have
specific focal lengths, besides the curvature of the two sides of a lens. The
focal range, the distance between your optic nerve and the retins in lens, of
the lenses is determined by the material that lenses are made from.
