The concentration of nitrogen in the atmosphere remains constant due to:

  • A
    Nitrogen cycle
  • B
    Thundering and lightning
  • C
    Enzymes
  • D
    Both $(a)$ and $(b)$

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Similar Questions

Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas $(N_2)$ to the atmosphere?

Which organisms actively participate in the nitrogen cycle in nature?

The conversion of ammonia into nitrites and nitrates is called

The source of energy for non-biological nitrogen fixation is

Choose the correct pair:
Column-$I$Column-$II$
$I$. NitrosomonasNitrite to nitrate
$II$. ThiobacillusDenitrification
$III$. NostocFree-living nitrogen fixer
$IV$. AzotobacterAnaerobic nitrogen fixer

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