Question

What can fix nitrogen? plants, soil, bacteria, or fire

Answer 1

Plants can fixe Nitrogen.

Step-by-step explanation:

Bacteria like rhizobium and certain blue-green algae in the soil can fix the atmospheric nitrogen. They change into usable nitrogenous compounds.

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Answer 2

Plants

Step-by-step explanation:

Bacteria such as rhizobium and certain blue-green algae present in the soil can fix atmospheric nitrogen and convert into usable nitrogenous compounds, which are used by plants for the synthesis of plant proteins and other compounds.