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Oxygen- It is important for human existance. And also for cooking food because it helps burning. Nitrogen- It is useful for plant's roots. Carbon- Food is made up of mainly by carbon,hydrogen & oxygen. so it is important for making food. Hydrogen- function is food making. Neon,Argon,Xenon,Crypton- These all gases are noble or stable gases. Means their atoms have full no. of electrons. Means no extra or less electron is there. So their function is to keep the atmosphere balanced. Carbon-di-oxide- It keeps temparature balanced of atmosphere or air. Helium- It is very light-weight gas. So it is important in mansoon.

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16y ago

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