What is the most common purpose for composition in art?

Select one work of art from the gallery that culturally represents the period it was created within. (i choose "the well of moses")why did you select this work of art or architecture? when selecting and writing about your work organize your thoughts by addressing the following questions. keep in mind that the last question should get the most attention in your short essay. when was it made? where was it made? what is the material? who made it? why was it made?

Which technique creates perspective in this image? a. altering color b. different planes c. difference in size d. overlapping objects e. difference in detail

Which of the following is true about louis henry sullivan