Answer:
1) It is the conversion of nitrate or ammonia to atmospheric nitrogen
Explanation:
Nitrogen fixation -
It is the process in which the nitrogen in the molecular from is converted to ammonia .
It is one of the essential process , and is done by the help of rhizobium bacteria which are present in the roots of some specific plants .
The ammonia formed can be easily converted to fertilizers .
Hence , the incorrect statement about nitrogen fixation is 1) It is the conversion of nitrate or ammonia to atmospheric nitrogen .
Religious and ethnical problems.
It was one of the largest empires of the world with many different ethnicities. The problem was to unite people under one rule.
Another problem was communication. It was hard to transfer knowledge and news to all parts of the empire because it was too large.
Explanation:
sedimentation and metamorphism
The answer to your question is A
