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SCIENCE, TECHNOLOGY, AND SOCIETY Scientific evidence indicates that the CO2 added to the
Chapter 10, Problem 8(choose chapter or problem)
SCIENCE, TECHNOLOGY, AND SOCIETY Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to reduction of global warming. Why might this be? (Hint: What processes in both living and dead trees produce CO2?)
Questions & Answers
QUESTION:
SCIENCE, TECHNOLOGY, AND SOCIETY Scientific evidence indicates that the CO2 added to the air by the burning of wood and fossil fuels is contributing to global warming, a rise in global temperature. Tropical rain forests are estimated to be responsible for approximately 20% of global photosynthesis, yet the consumption of large amounts of CO2 by living trees is thought to make little or no net contribution to reduction of global warming. Why might this be? (Hint: What processes in both living and dead trees produce CO2?)
ANSWER:Living trees processes both photosynthesis and respiration which leads to the production of CO2. During photosynthesis glucose is produced from the absorption of light and CO2. During respiration, glucose is converted back to CO2, which is then released into t