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Vedmedyk [2.9K]
3 years ago
9

Please help in biology.

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

Answer:

????????

Explanation:

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Answer:

NO₃⁻: Nitrato

N₂: nitrógeno atmosférico

NH₃: Amoníaco

NO₂⁻: Nitritos

Explanation:

En la fijación de nitrógeno, el nitrógeno atmosférico, N₂, que es un gas, es transformado por bacterias en nitritos, NO₂⁻, los nitritos luego se convierten en nitratos, NO₃⁻, por otro grupo de bacterias

La fijación de la atmósfera ocurre también cuando el nitrógeno, N₂, se convierte en amoniaco, NH₃, por bacterias fijadoras de nitrógeno o por el impacto de un rayo.

El amoníaco, NH₃, se convierte en nitrato NO₃⁻ para que las plantas lo absorban, en el proceso de nitrificación.

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