Which of the following works features a flute with a delicate, "breathy" sound in a relatively high register? a. "knee play 1" b. concertino for harp and orchestra c. a la par d. concerto for orchestra

The correct answer is D. Concerto for Orchestra.
This refers to a composition created by a Hungarian composer Bela Bartok, who, aside from Liszt, is one of the most important composers of their time. This composition is a five-movement musical work, which premiered in 1944, and has the characteristics you mentioned in the question.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"