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 concenpgz(gjp7 r )4wy1z f0btra:o f n1znqg8i+ zyj4+ d.r/t7mep.jkldym3c 2tion and potency of carbon dioxide and methane as greenhouse gases in the at eo tfp2k ddz. +1jc4nqm 8:rim3l7/ .+gnzjyymosphere.
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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