Have a photo sensitive side containing special materials to determine the sensitivity, contrast, and resolution of the film.

c a wide range of indigenous instruments

hope this

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.