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.Compare the concentratolvg66 opq+;cs6 lf 7fion and potency of carbon dioxide 1qej m 8s,, rrl2dtwxnjgs7s2p.n41p and methane as greenhouse gases in thesm e1w q2 jrd41xn,2jg.tln8 s,r7psp atmosphere.
2.Explain the reasoning of climate scientists for identifying human activity as the main cause of climate change.
3.Discuss the consequences of global warming with reference to the climate, marine organisms, and changes to coastal regions and Arctic ecosystems.
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