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Air and Atmosphere — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYAir and Atmosphere1 Mark
Question
Why is nitrogen important to all living beings?
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Answer

Nitrogen constitutes 78% of air by volume. It is of vital importance to the plants, animals, and human beings as it is needed to prepare vital nutrient ‘protein’ to every living being which is necessary for their growth.

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