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Unformatted text preview: A. Infrared Radiation B. Solar Radiation C. Ultraviolet Radiation D. Greenhouse Radiation Answer: C (pg. 359) 4. What is the average (approximate) Carbon Dioxide (CO2) concentration in the atmosphere today? A. 100 ppm B. 200 ppm C. 300 ppm D. 400 ppm Answer: D (pg. 361)...
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- Spring '07