Concentration of nitrogen remains constant by

  • A

    Nitrogen cycle

  • B

    Thundering and light

  • C

    Enzymes

  • D

    Both $(a) $ and $ (b)$

Similar Questions

Biotic succession is caused by

  • [AIEEE 2003]

Match the following and select the correctoption.

$A.$ Earthworm  $(i)$ Pioneer species 
$B.$ Succession $(ii)$ Detritivore
$C.$ Ecosystem service  $(iii)$ Natality
$D.$ Population growth  $(iv)$ Pollination

 

  • [NEET 2014]

Biological equilibrium is found among the

One way cycle is