Answer:
Altificial silk, is made from natural cellulose derived from wood pulp or cotton rags
I think about the symbolism of shape.
The center of the Roman Empire is in Italy. ROME. And to be specific,
there was a spot in the forum called the "umbilicus urbis Romae" which
is translated "the center of the city of Rome" or "the navel of Rome".
At any rate, it was the spot from which all distances, from all over the
empire, were measured.
D. Preformance art focuses on both sight and sound
