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Continuity and Change D.12 Climate Change (id: d7ff7ef67)

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admin 发表于 2024-2-5 14:48:21 | 显示全部楼层 |阅读模式
本题目来源于试卷: Continuity and Change D.12 Climate Change,类别为 IB生物学

[问答题]
The following graphs sho f)k+n5 pf(g6wwyu 4-vfd guj+w the conc: 3leacm5*s2 s-jclui entration of atmospheric carbon dioxide over time at Mauna5*cejssclau3 im: 2l - Loa Observatory in Hawaii, United States.


1.Describe the overall trend in atmospheric carbon dioxide levels over time.

2.State one factor that has significantly contributed to increases in atmospheric carbon dioxide concentration as seen in the graphs.

3.Explain why the concentration of atmospheric carbon dioxide fluctuates annually.




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