Question

why are cocoons stiffed​

Answer 1

Answer:

coccon stiffed of silk .. they are stiffed bc of evolution from caterpillar of butterfly

Answer 2

Answer:

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The Stifled cocoon in the unfavorable seasonal condition where it becomes difficult to obtain silk naturally. Then the cocoon is stifled at 90 degrees of steam for around 20 minutes. Then the shades are dried out in the thin layers in order to reduce the moisture.