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 concenhkt3 8w v f5h-g2-uqcdtration and potency of carbon dior-5n ert9h lyz4y9c6 j -9pjiuc 3jn6gxide and methane as greenhouse grue36 y9t9n jnr -yplzc-hg9j5i46jcases in the 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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