Science, asked by riddhima7274, 1 month ago

hello guys plss answer my this question

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Answered by leishsania

1

Answer:

20 - option (c)

21 - option (a)

hope it helped!

Answered by Anonymous

0

20. ( c ) A force can change the composition of a moving object .

21. ( a ) weight of the object which tends to move on the surface of other object.

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