Question

what is a cocoon?why it is immersed in boiling water?​

Answer 1

Answer:

cocoon is a covering of thin threads that some insects make to protect themselves before becoming adults

cocoon is a covering of thin threads that some insects make to protect themselves before becoming adultsCocoons are immersed in hot water so the silk fibres come of and the cocoons die. cocoon is immersed in hot water for softening the sericin so that to unwind the silk filament which goes as one fibre.

Answer 2

Answer: cocoon is a covering of thin threads that some insects make to protect themselves before becoming adults