when a cotton yarn is burnt,it smells like burning paper, whereas burning a woollen yarn smells like burning hair why?

when a cotton yarn is burnt,it smells like burning paper, whereas burn

1.	when a cotton yarn is burnt,it smells like burning paper, whereas burning a woollen yarn smells like burning hair why?
Answer» Cotton is a plant product and paper is also made from PLANTS. So when cotton is BURNT, it smells like BURNING paper. While WOOL and hair both are from animals, hence on burning they SMELL similar

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when a cotton yarn is burnt,it smells like burning paper, whereas burning a woollen yarn smells like burning hair why?​

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when a cotton yarn is burnt,it smells like burning paper, whereas burning a woollen yarn smells like burning hair why?