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Nitrogen Cycle (1)
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Nitrogen Cycle (1)
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Nitrogen cycle
Natural cycle that recycles nitrogen between plants and animals, and the atmosphere, soil and water
Nitrogen gas in air
78%
Process in the nitrogen cycle (I)
Process of nitrate ion addition to the soil
Process in nitrogen cycle (II)
Process of nitrate ion extraction from the soil
Example process of adding nitrate ion to the soil
Lightning and volcanic eruptions
Example of process extract nitrate ions from the soil
Nitrate leaching
Lightning and volcanic eruptions
Heat energy released at high temperature oxidizes nitrogen in the air to form nitrogen dioxide
Nitrate leaching
Nitrate ions in the soil dissolve in water & flow into the rivers
Importance of nitrogen cycle (1)
Maintaining nitrogen content in the air
Importance of nitrogen cycle (2)
Reducing environmental pollution
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Nitrogen Cycle (1)
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