what is nitrogen....
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The chemical element of atomic number 7, a colourless, odourless unreactive gas that forms about 78 per cent of the earth's atmosphere. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (−195.8°C) and is used as a coolant.
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It is a process by which atmospheric nitrogen is converted into the form which can be easily absorbed the organisms on earth. Nitrogen Fixation is carried out by the following ways: ... Some bacteria convert the nitrogen gas (N2) to ammonia (NH3) which plants can use.
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