The artist manipulated the photograph techniques to create a scene that he felt looked like a landscape on the moon. the harmony is created a. similarities in shape and colorb. similarities in art and proportionc. similarities in line and colord. similarities in emphasis and proportion

A. Similarities in shape and color.

Explanation:

In this example, we can see that the author created a picture that resembled the surface of the moon. This photograph is made up mostly of circles, and the whole image has a yellowish color. The fact that there are such similarities in shape and color contributes to creating harmony in the image. Harmony is a principle of art that attempts to create cohesiveness and unity. This principle uses elements such as color, shape, form, etc. to highlight the similarities of separate but related parts.

i believe their role is to instruct certain sections on when they are to join and when they are to stop