Continuity and Change D.12 Climate Change (id: cc2632d8e)

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]
1.Describe the method used byw*yp:.d:hsxdg3/ e ep scientists to deduce carbon dioxide concentrationsews/:gd:d ypx .ph*e3 q8x:7 8kcjs(asbct wing;( f- hs:sk(px3 /eu7s(sgkk / nqcbfx w8p:es sa x8-((it3 h;juc: from thousands of years ago.

2.Explain why rising levels of atmospheric carbon dioxide are the main cause of climate change.

3.How have increased carbon dioxide levels affected reef-building corals in marine waters?

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