Perform online or offline research to learn about the job role of a museum curator (or an art critic) and about how to evaluate artwork.

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Explanation:

        i think it is referred as the 8th wonder of the world because each of the terra cotta warriors was not the same. they each had many things with their physical stature, like different height, armor, and different characteristics, which were all different. what makes it interesting is that there were 8,000 soldiers in that tomb. so making that many soldiers for the emperor meant a-lot to the emperor. it means that their is strength in numbers now matter how different.

hope it : p

soft,hard and rough for soft would be a pillow or a stuffed animal hard wood floor or a table rough paint