Answer: all of it is correct
idk if i answered it right im not smart at all lol
They used marble, bronze, and clay
Proportion: Relation of one part to another, or of parts to the whole in respect to the size, height, width, and scale.
Composition: In the visual arts, composition is the placement or arrangement of visual elements or 'ingredients' in a work of art,
uhm.......ok then..............