Which subject in school is the best and why?

Choose the statement that best describes why textiles should not be exposed to ultraviolet rays a. ultraviolet rays fade the colors in the fabric b. ultraviolet rays will ignite the threads c. ultraviolet rays fade and weaken the fabric d. ultraviolet rays will weaken the fabric

Assuming there are four beats in a measure, the a0 note is worth 1/4 of a whole note.

In nineteenth-century opera, the orchestra: a. became less important as vocal lines became more important. b. was reduced to a small group as opera houses became smaller. c. became more important than the vocal lines; the voices now accompanied the orchestra. d. increased in importance, sometimes providing special effects and overshadowing the voices.