Question Detail
Question
Conversion of elemental nitrogen into absorbable compounds of nitrogen is _________
Correct Answer
Option D is the correct answer.
Detailed Explanation
Nitrogen fixation is the process by which atmospheric nitrogen gas (N2) is converted into ammonia (NH3) or other nitrogen compounds that can be used by living organisms. This is carried out by certain bacteria and by lightning.
Hint
What is the process of 'fixing' unusable N2 gas into usable forms like ammonia?