F.5 Bio essay
2013-04-15 6:37 am
Carbon and nitrogen are important ti the living organisms. Compare and contrast the processes by which these two elements are removed from atmosphere, transferred among organisms, and returned to atmosphere in the ecosystem.
回答 (1)
2013-04-17 3:21 am
✔ 最佳答案
answer the question by referring the carbon cycle and nitrogen cycle.http://en.wikipedia.org/wiki/Carbon_cycle
http://en.wikipedia.org/wiki/Nitrogen_cycle
參考: me n wikipedia
收錄日期: 2021-04-30 01:35:09
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http://hk.knowledge.yahoo.com/question/question?qid=7013041400342