Amount of nitrogen fixed electrochemically and photochemically is
Amount of nitrogen fixed electrochemically and photochemically is
- A
$140 $ $mg/$$m^2$$/yr$
- B
$78$ $mg/$$m^2$$/yr$
- C
$35$ $mg/$$m^2$$/yr$
- D
$15$ $mg/$$m^2$$/yr$
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