During nitrogen fixation, decomposers convert nitrogen from soil and plants. What do they convert these nutrients into? A. ammonium
B. free nitrogen
C. nitric oxide

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.