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Fill in the blanks in the following statements.

(a) _________ and _________ fibres are obtained from animals.
(b) Silk fibres come from _________ of silk _________.
(c) Wool yielding animals bear _________ on their body.
(d) Hair trap a lot of _________, which is a poor _________ of heat.

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(a) Silk and Wool fibres are obtained from animals.

(b) Silk fibres come from cocoons of the silk moth.

(c) Wool yielding animals bear hair on their body.

(d) Hair trap a lot of air, which is a poor conductor of heat.

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Sumit Saini

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