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  • INTRODUCTION
  • I am about to show the the 5 processes of the nitrogen cycle
  • N itrogen makes up for about 78% of the atmosphere
  • NITROGEN FIXATION
  • When nitrogen in the atmosphere falls to the earth and in the soil it finds its way to bacteria. At the root of a plant nitrogen mixes with hydrogen to make ammonia.
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  • ATMOSPHERE
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  • NITRIFICATION
  • SOIL
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  • This occurs in soils. During nitrification ammonia is converted into Nitrates which can be used by plants and animalss
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  • ASSIMILATION
  • Plants absorbs the nitrates from the soil, this is when they get their nitrogen and gets used in amino acids
  • AMMONIFICATION
  • When plants or animals dies, decomposers turn the nitrogen back into ammonia so it can be in the nitrogen cycle again 
  • DENTRIFICATION
  • Denitrification is when extra nitrogen returns back into the atmosphere 
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