He is known for creating pi, the number that does not end.
The answer is D. HPV because there are no cures for it but many of the small infections go away on their own.
Answer:
Silk Road, also called Silk Route, ancient trade route, linking China with the West, that carried goods and ideasbetween the two great civilizations of Rome and China. Silk went westward, and wools, gold, and silver went east. China also received Nestorian Christianity and Buddhism (from India) via the Silk Road.
