Author Question: After reading the paragraph below, answer the questions that follow.The graph shows records of ... (Read 79 times)

hubes95 · **on:** Jul 15, 2019

After reading the paragraph below, answer the questions that follow.

The graph shows records of temperature (light gray line) and CO2 (dark gray line) over the past 1,000 years. CO2 is recorded in parts per million (ppm).

Currently, atmospheric CO2 levels are approximately 400 ppm. The annual mean growth rate in CO2 is about 2 ppm/year. Assuming this trend continues, what would you predict the CO2 level to be in 100 years?
◦ 200 ppm
◦ 1,000 ppm
◦ 600 ppm
◦ 100 ppm

taylorsonier · **Reply #1 on:** Jul 15, 2019

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