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Unformatted text preview: Exercise 3 Biochemical Cycles Exercise and Post-Exercise Jong Park (J.P.) 1a. 27cm^2 1b. 1500leaves 1c. 0.02025kg/day 2a. .02L of CO2 2b. 18breaths/minute 2c. 25920breaths/day 2d. 518.4L of CO2/day 2e. 0.969408kg 2f. 0.2644kg/day 3. The amount of carbon exhaled by one person in one day is about ten times that of carbon taken up by one tree during one day. About 10 trees would be needed to support just one person. 4. The major sources of error could have been the number of leaves, different trees, and the estimation of the volume of an average breath that one takes. 5. No. The ratio of trees to people would increase in the cooler climates and decrease in the warmer climates. The number of leaves in a tree differs throughout the year. 6. No. In the northern hemisphere of the Earth, more trees exist than in the southern hemisphere. Therefore, there is more uptake of CO2 by trees in the North. Different types of hemisphere....
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- Fall '09