which best compares the roles of nitrogen-fixing bacteria and certain decomposers in the nitrogen cycle?○…

which best compares the roles of nitrogen-fixing bacteria and certain decomposers in the nitrogen cycle?○ both organisms convert free nitrogen into nitrogen-containing compounds.○ both organisms convert nitrogen-containing compounds into free nitrogen.○ the bacteria convert free nitrogen into nitrogen-containing compounds, while the decomposers convert nitrogen-containing compounds into free nitrogen.○ the bacteria convert nitrogen-containing compounds into free nitrogen, while the decomposers convert free nitrogen into nitrogen-containing compounds.

which best compares the roles of nitrogen-fixing bacteria and certain decomposers in the nitrogen cycle?○ both organisms convert free nitrogen into nitrogen-containing compounds.○ both organisms convert nitrogen-containing compounds into free nitrogen.○ the bacteria convert free nitrogen into nitrogen-containing compounds, while the decomposers convert nitrogen-containing compounds into free nitrogen.○ the bacteria convert nitrogen-containing compounds into free nitrogen, while the decomposers convert free nitrogen into nitrogen-containing compounds.

Answer

Brief Explanations:

Nitrogen-fixing bacteria take atmospheric (free) nitrogen ($N_2$) and convert it into ammonia or other nitrogen-containing compounds that plants can use. Decomposers break down dead organic matter (which contains nitrogen compounds) and release free nitrogen back into the atmosphere or soil as inorganic nitrogen forms, ultimately cycling free nitrogen back.

Answer:

The bacteria convert free nitrogen into nitrogen-containing compounds, while the decomposers convert nitrogen-containing compounds into free nitrogen.