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Aaral shah
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Poll
Asked: 2021-06-13T05:35:57+00:00 In:

Oxygen is harmful for

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Poll Results

0%(a) ferns
100%(b) nitrogen-fixing bacteria ( 5 voters )
0%(c) chara
0%(d) mango tree
Based On 5 Votes

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NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2022-2023
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    1 Answer

    1. (b) nitrogen-fixing bacteria

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