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Q. 4Nitrogen fixation can be done by:(a) Industries(c) Lightning(b)(d)RhizobiumAll of the above

Answer»

b) Rhizobium is correct option

Explaination:Definitionofnitrogen fixation. : the conversion of atmosphericnitrogeninto a combined form (such as ammonia) through chemical and especiallybiologicalaction (such as that of soil rhizobia)

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