Question

1. Why is wool a good fibre for making winter
clothes?​

Answer 1

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●Woollen fibres do not let the air trapped in rush out preventing the heat to get out with it that's why they keep us warm while cotton fabric let the air flow and soaks the sweat hence it keeps us cool that's why we wear cotton in summer and wool in winter...

Answer 2

SOLUTION

:

• The structure of the wool fiber causes thousands of tiny air pockets to form in wool fabric.
• In cold weather these trap body heat like a thick blanket does.
• wool is a bad conductor of heat.