Concept explainers
Are We Causing Global Warming? Roles: Scribe (takes notes on the group’s activities), Advocate (argues in favor of the claim that human activity is causing global warming), Skeptic (points out weaknesses in the arguments made by the Advocate), Moderator (leads group discussion and makes sure everyone contributes). Activity:
a. Work together to make a list of scientific observations that have been proposed as evidence that humans are causing global warming. Your list should include, but is not limited to, the evidence in Figures 10.38-10.42. b. Advocate presents the case that humans are causing global warming, drawing on the evidence from part a. c. Skeptic attempts to refute Advocate’s case using scientific arguments.
d. After hearing these arguments, Moderator and Scribe decide whose arguments were more persuasive and explain their reasoning. E. Each person in the group writes up a summary of the discussion.
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COSMIC PERSPECTIVE
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