The art of using and understanding space involves a. varying the size of objects or subjects, so that some are smaller than others and the illusion of depth is created. b. showing a change from light to dark in an object by darkening areas that would have a shadow. c. placing part of one shape or form in front of another. d. all of the above.

The correct answer is D. All of the above

Explanation:

In art using and understanding space is one of the most important elements that allow artists to represent reality. This relevant aspect includes understanding how lights and shadows work to depict light and shadow in art; understanding same objects vary in size depending on their distance from a point; and also, understanding how one or more objects can overlap or be placed in from of others. These three aspects are important because they occur in real life and by mastering them the artist can represent reality in terms of distance and light/shadow. According to this, understanding and using space in art implies all of the above (varying size to create dept, darkening areas that should have a shadow, and placing part of one object in front of another).

D. All of the above

Explanation:

because

All of the choices provided ,explains how art of using and understanding space involves All of the above.

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the correct answer would be "the amiens cathedral"

i'm not sure i completely understand your question, but i will do my best.

i think the answer you are looking for is sequence. (see below)

a repeated melodic fragment would be best defined as repetition, while repeated chords (different or the same) could be a chord progression. however, you then mentioned the chord and melodic fragment beginning on higher or lower pitches, in that case, the answer could be best defined as a sequence. the definition of a sequence is as follows: "the restatement of a motif or longer melodic (or harmonic) passage at a higher or lower pitch in the same voice."

let me know if this !