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1. Explain why average temperature declines with distance from the equator with respect to latitude and solar irradiance, and describe how this changes for the two hemispheres of Earth in different seasons.
2. How do prevailing winds, ocean currents, and mountain ranges affect climate?
3. Read the information about greenhouse gases at NOAA (click this link), and explore this topic further using your textbook and internet sources. From this information, make an informed decision about how you would rate the seven greenhouse gas categories listed at the NOAA site from greatest concern (1) to least concern (7) as contributors to increased greenhouse effect, and thus global warming. Explain your ratings system, and provide links to any internet information you have used, in addition to the NOAA site, to help you make your decisions.
4. Go to the online carbon footprint calculator at http://www.nature.org/greenliving/carboncalculator/index.htm. Use this to calculate the carbon footprint “for you only” or “for your entire household.” Post this result, and be sure to state whether the carbon footprint calculated was “for you only” or “for your entire household.”
5. What activities do you think contribute most to your carbon footprint?
6. How can you reduce your carbon footprint?
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