Answer:
Boiling the cocoon helps to dissolve the adhesive that sticks the fibres together. If cocoon is not boiled, the <u>fibres obtained will be brittle,</u> and we will get fragments of the thread instead of a long continuous silk thread.
It will shrivel up to protect itself.
Answer:
According to The History of China, the number of monks in China grew to over 500,000 during Mongol rule. Kublai Khan contributed to the growth of China's economy by reopening and improving trading route
Linguistic Anthropology & Biological Anthropology