Biology, 21.01.2021 14:00, maxandalexplayz

8. Why is nitrogen used in fertilizer when there's so much N, in the air? O A. There's relatively little air underground.
O B. Ny is toxic to plants.
O C. It's a macronutrient, while gaseous N is a micronutrient.
O D. Plants can't use N2 from the air.

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8. Why is nitrogen used in fertilizer when there's so much N, in the air? O A. There's relatively l...