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Arrange correctly the steps involved in the process of nitrogen cycle:
Answer variants:
Ammonia is oxidised to soluble nitrites and nitrates
Conversion of inert \(N_2\) to reactive compounds by blue green algae
Conversion of organic \(N_2\) into ammonia
Reduction of nitrate ions \(NO_3^-\) to the gaseous \(N_2\)
Plants and animals incorporate nitrate and ammonia to make nucleic acids
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