What is the function of denitrifying bacteria | vedclass

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(D) Denitrification is a biological process carried out by denitrifying bacteria such as $Pseudomonas$ and $Thiobacillus$. In this process,nitrates $(

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Nitrates are reduced to gaseous nitrogen and released into the atmosphere.

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(D) Denitrification is a biological process carried out by denitrifying bacteria such as $Pseudomonas$ and $Thiobacillus$. In this process,nitrates $(NO_3^-)$ present in the soil are reduced to gaseous nitrogen $(N_2)$ or nitrous oxide $(N_2O)$. This gaseous nitrogen is then released back into the atmosphere,completing the nitrogen cycle. Therefore,the correct function is the reduction of nitrates to gaseous nitrogen.

Column $I$	Column $II$
$A$. Thiobacillus	$1$. Free-living nitrogen-fixing cyanobacteria
$B$. Nitrosomonas	$2$. Denitrification
$C$. Nostoc	$3$. Free-living aerobic nitrogen-fixing bacteria
$D$. Azotobacter	$4$. $NH_{3}$ to Nitrite

What is the function of denitrifying bacteria?

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