answer the questions as simple as possible.
1) which gas makes up the atmosphere?
2) Why is atmospheric nitrogen the wrong kind for living thins?
3) How does lightening change atmospheric nitrogen?
4) How do bacteria fix nitrogen?
5) Why is nitrogen needed by living things?
6) How does nitrogen return to the atmosphere?
7) What doe fertilizer do, and what are some problems associated with its use?
1) which gas makes up the atmosphere?
2) Why is atmospheric nitrogen the wrong kind for living thins?
3) How does lightening change atmospheric nitrogen?
4) How do bacteria fix nitrogen?
5) Why is nitrogen needed by living things?
6) How does nitrogen return to the atmosphere?
7) What doe fertilizer do, and what are some problems associated with its use?