Science, asked by Arneet26, 7 months ago

Hi please tell me the answer of this question

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Answered by khushiaggarwal30
1

Answer:

19. (a) both assertion and reasoning are true and reason is the correct explanation of assertion

20. (c) only assertion is true, reason is incorrect

Answered by amrutha648
1

Explanation:

1 st : both A&R are correct and R is the correct explanation of A

2 nd A is correct and R is incorrect...

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