According to carl perkins, a country take on rhythm and blues, performed mainly by white southerners, that combined elements of country music with rock and roll. this style was most popular in the mid fifties.
a. a second melody playing under the main melody.
b. a regional style of rock from california notable for high-register close harmony vocals and innovative guitar effects.
c. the process of recording each part of a performance separately, then mixing them into a complete performance.
d. the beatles, along with their producer george martin, were among the first to take full advantage of this technique.

According to Carl Perkins, a country take on rhythm and blues, performed mainly by white Southerners, that combined elements of country music with rock and roll. This style was most popular in the mid fifties.

B. A regional style of rock from California notable for high-register close harmony vocals and innovative guitar effects.

Explanation:

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.