Q-Answer the following questions:-
1.what is a fixed joint?where is it present in our body?
2.what are dietary fibres.give two examples of dietary fibres.
3.Explain the process of making yarn from fibre.
4.What is the outer skeleton of snail called?does it help the snail in moving?
5.write one activity to show light travels in straight line and get reflected in a mirror.

Dear Student ,

The process of making yarn from fibre is called spinning. The fibres are first drawn out from their source and then twisted into yarn. Two devices used in spinning are takli and charkha.
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