Answer:
Probably this site tells you the broad idea of this subject. https://faculty.weber.edu/btrask/genetics_practice_problems-answer_key.pdf
Explanation:
I don't know anything really, I just saw the please help me title while reading an answer and this is a long shot away from my major. My best guess is A.
Answer:
During nitrogen fixation specialised bacteria living in the earth's atmosphere convert nitrogen taken from the geosphere
I would say B). Hope this helps!
The right answer would be D on the question I’m right all the way