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

What is the process of conversion of $NH_3$ to $NO_3^-$ by microorganisms called?

What is the function of $Pseudomonas$ and $Thiobacillus$ in the $N_2$ cycle?

The reaction $2 NH_3 + 3 O_2 \rightarrow 2 NO_2^- + 2 H^+ + 2 H_2O$ is carried out by which of the following microorganisms?

Which of the following is true for nitrogen fixation?

Non-biological nitrogen fixation is:

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