Rich selection of the orchestra is typically runs seating most during rehearsal and performance

If we are talking about which has the most in order it goes Violin, Viola, Cello, then the Double Bass.

Violins have the most they're a high instrument and are usually drowned out by the lower strings also carry the melody most of the time, hence, the Cello and Double Bass.

Then comes Violas, depending on the orchestra there isn't alot of people who play them for some reason but they're in between Cello and Violin.

Cello usually has a good bit but not too many to drown out the other strings.

Then the Bass the foundation of the orchestra too many can drown out, usually only have one or two

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.

pitch- the definition of pitch is as follows:

"the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone."