Early photographers had to use this in order to produce photos. * flowers
O computers
dirt
chemicals

I want to say chemicals but don't take my word for it.

Hope this helps

        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

hey

he was  an italian composer who wrote 39 operas, as well as some sacred music, songs, chamber music and piano pieces.

hope this and i wish you the best of luck! : )