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1) Lightning 2) Biological 3) Bacteria
bacteria and lighntning
Nitrogen help humans in diffrent ways
a MIXTURE. If it was mixed in a fixed proportion you would get a compound!
The valency of nitrogen is 3
1) Lightning 2) Biological 3) Bacteria
Bacteria and Lighting
Why does atmospheric nitrogen need to be converted?
Two major ways whereby nitrogen is fixed in ecosystems are through rainfall and through leguminous crops.
OK well free nitrogen is fixed by bacteria that live in the soil. some bacteria live in nodules, or bumps , on certain plant roots. the bacteria get food from the plants, and plants absorb fixed nitrogen from the bacteria. animals get nitrogen by eating plants or by eating prey that have eaten plants. fixed nitrogen may enter the soil in other ways too. a small amount of free nitrogen in the air by lighting. it is carried to the ground by rainfall. fixed nitrogen also enters the soil because of decomposers. decomposers break down dead organisms, and fixed nitrogen is released in the soil. the fixed nitrogen can be absorbed by plant roots.
Free nitrogen is in the air but fixed nitrogen is in the soil.
lightning & bacterial action (nitrogen fixers).
Nitrogen is fixed
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bacteria and lighntning
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