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Aaral shah
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Asked: 2021-06-13T05:35:36+00:00 In:

The nitrogen molecules present in air can be converted into nitrates and nitrites by

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100%(a) a biological process of nitrogen fixing bacteria present in the soil ( 6 voters )
0%(b) a biological process of carbon fixing factor present in soil
0%(c) any of the industries manufacturing nitrogenous compounds
0%(d) the plants used as cereal crops in field
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NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
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    1. (a) a biological process of nitrogen fixing bacteria present in the soil

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