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Common GasPlay
Nitrogen is invisible and non-reactive at room temperature, unlike oxygen which supports combustion. SlideDespite being so common, nitrogen does not burn or support fire.
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Invisible but CrucialPlay
Nitrogen is essential for living organisms to create proteins, although we cannot see or smell it. SlidePlants absorb nitrogen from the soil to grow.
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Used in PhrasesPlay
The phrase 'nitrogen cycle' refers to the continuous movement of nitrogen in different forms in nature. SlideThe nitrogen cycle is a key concept in understanding ecology.