Question

which microbes bring about process of nitrogen fixation?
answer it fast....​

Answer 1

nitrogen fixation During presence of oxigen ok

Answer 2

Answer:

$\huge\mathfrak\green{Answer}$

Two kinds of nitrogen-fixing bacteria are recognized. The first kind, the free-living (nonsymbiotic) bacteria, includes the cyanobacteria (or blue-green algae) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium.