Question

why cocoons are stifed​

Answer 1

Answer:

Stifling treatments are applied to silk cocoons in order to kill the pupae, preventing the emergence of moths and allowing to preserve the silk during long periods of time. All of them involve the application of aggressive steps, such as sun exposure, hot steam from boiling water or hot air, during hours or even days.

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Answer 2

Answer:

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Explanation:

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