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Department of Physics, Carnegie Mellon, Fall ’13, Deserno/Franklin ; Homework 17

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Department of Physics, Carnegie Mellon, Fall ’13, Deserno/Franklin ; Homework 17
Department of Physics, Carnegie Mellon, Fall ’13, Deserno/Franklin
Homework 17, due in recitation on Thursday, Nov 21th ;
Five short questions about climate
This homework contains a list of short questions pertaining to the climate chapter. You should answer
every point with one or at most two short sentences. Please note: If you are asked to explain something,
make sure you do not just give an example but actually provide a proper definition or explanation.
1. Explain what the statement “correlation does not imply causality” means.
2. Give one example for how scientists can infer paleoclimate data from samples they can collect today.
3. Since the earth constantly receives energy from the sun, why isn’t it getting hotter and hotter?
4. What is a greenhouse gas?
5. What do scientists mean by a “feedback loop”?
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