Has the artist in the piece above entitled, Canyon, used all seven principles of design? Give one example used by the artist in this piece for each of the following principles: balance, harmony, proportion, and movement.

I would say yes.  There is a balance of beauty with the surroundings, the harmony with the colors in the different details, the proportion could not be any more exquisite, and the movement is eye catching.

homophonic or a tonal