Question 18c: Look back at your answer to 17c. At around what time over the last 250 years did CO₂ concentrations surpass the maximum recorded CO₂ concentrations from the ice core record? Can you think of any events around this time period that might have contributed to a rise in atmospheric CO₂ ? Studying the composition of fossils allows scientists to better understand climate change throughout Earth's history, and therefore the modern climate crisis. In Question 16, you saw that it took 15,000 years for atmospheric CO₂ to rise 100 ppm. In Question 17, you saw that over the last 150 years, atmospheric CO₂, has risen almost 140 ppm! The modern rise in atmospheric

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Question 18c: Look back at your answer to 17c. At around what time over the last 250 years did CO₂
concentrations surpass the maximum recorded CO₂ concentrations from the ice core record? Can you
think of any events around this time period that might have contributed to a rise in atmospheric CO₂ ?
Studying the composition of fossils allows scientists to better understand climate change throughout
Earth's history, and therefore the modern climate crisis. In Question 16, you saw that it took 15, 000
years for atmospheric CO₂ to rise 100 ppm. In Question 17, you saw that over the last 150 years,
atmospheric CO₂ has risen almost 140 ppm! The modern rise in atmospheric
2
Transcribed Image Text:Question 18c: Look back at your answer to 17c. At around what time over the last 250 years did CO₂ concentrations surpass the maximum recorded CO₂ concentrations from the ice core record? Can you think of any events around this time period that might have contributed to a rise in atmospheric CO₂ ? Studying the composition of fossils allows scientists to better understand climate change throughout Earth's history, and therefore the modern climate crisis. In Question 16, you saw that it took 15, 000 years for atmospheric CO₂ to rise 100 ppm. In Question 17, you saw that over the last 150 years, atmospheric CO₂ has risen almost 140 ppm! The modern rise in atmospheric 2
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