Cuál de los siguientes enunciados sobre el ciclo del nitrógeno es cierto?
A. Aunque el nitrógeno es el gas atmosférico más abundante, las plantas no lo pueden utilizar directamente del aire.
B. El adicionar fertilizantes sintéticos a los campos de cultivo remueve nitrógeno necesario del ciclo.
C. Los relámpagos toman moléculas extra de nitrogeno atmosférico y lo reciclan.
D. Las bacterias localizadas en el suelo atrapan exceso de oxígeno atmosférico y lo ayudan a entrar a las raíces de las plantas.
Answers: 3
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Cuál de los siguientes enunciados sobre el ciclo del nitrógeno es cierto?
A. Aunque el nitrógeno es...
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