Nitrogen and hydrological cycle — task. Science State Board, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Arrange correctly the steps involved in the process of nitrogen cycle:

Answer variants:

Conversion of inert \(N_2\) to reactive compounds by cyanobacteria

Plants and animals incorporate nitrate and ammonia to make proteins

Ammonia is oxidised to soluble nitrites and nitrates

Reduction of nitrate ions \(NO_3^-\) to the gaseous \(N_2\)

Conversion of organic \(N_2\) into ammonia

Step 1:

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Step 2:

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Step 3:

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Step 4:

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Step 5:

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11. Nitrogen and hydrological cycle