Question

why are some cocoons not boiled during harvesting of silk thread​

Answer 1

Answer:

Some cocoons are not boiled during the harvesting of silk thread because they are let to grow into pupae. This pupae will then help in the future harvesting of silk when they grow into a moth.

Answer 2

Some cocoons are not boiled during the harvesting of silk thread to allow them to mutate into pupae. These pupae will create more silk in the future.

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