Answers

2015-08-25T18:50:29+05:30
1-wool is used in winter as well as silk is used in various purposes such as marriage,etc
2-wool is made from animal fiber that is sheep.
3-silk is also made from animal fiber that is silkworms
4-wool is made in various forms such as sweaters etc 
5 -silk is also in various types as well as in wool

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