Science, asked by jatinrathee49, 1 year ago

give answer of following

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Answered by shiv3922

0

19= both a ND b
20= uterus
21= plant
22=O3

Answered by anishapriya182007

0

Answer:

OK

Explanation:

18. c)Carbon dioxide

19. a)Trypsin

20. b)Uterus

21. d)Polythene

22. a) $O_{3}$

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