Chemistry High School

Using the CO2 and temperature anomaly data provided, complete the data table below. To determine the rate of change, simply divide the change by the number of years. Variable Value in 48,000 BC Value in 400 BC Change Rate of change per year 190.4 ppm 284.7 ppm 58.3ppm ,001225 ppm CO2 Concentration (ppm) Temperature anomaly (°C) -5.18 °C 0°C 5.180 .000109 C Value in 1901 Value in 2011 Change Rate of change per year 296.1 ppm 391.6 ppm 95.5 ppm .8682 ppm Variable CO2 Concentration (ppm) Temperature anomaly (°C) -0.16 °C 0.51 °C .67 C .006 C 16. What is the change in CO2 concentration between 48,000 BC and 400 BC? A. 58.3 ppm B. 94.3 ppm C. 47.15 ppm D. 116.6 ppm 17. What is the rate of change per year in CO2 concentration between 48,000 BC and 400 BC? A. 0.0020 ppm/yr B. 0.0019 ppm/yr. C. 0.0012 ppm/yd D. 0.2358 ppm/yr 18. What is the change in temperature anomaly between 48,000 BC and 400 BC? A. 2.59 °C B. -2.59 *C C.-5.18 °C D. +5.18 °C 19. What is the rate of change per year in the temperature anomaly between 48,000 BC and 400 BC? A. 0.00005 *C/yt B. 0.00011 *C/yt C. -0.00005 *C/yt D. -0.00011 *C/yt 20. What is the change in CO2 concentration between 1901 and 2011? A. 47.75 ppm B. 122.5 ppm C. 61.25 ppm

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Answer 1

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The change in CO2 concentration between 48,000 BC and 400 BC is A. 58.3 ppm.

The rate of change per year in CO2 concentration between 48,000 BC and 400 BC is B. 0.0019 ppm/yr.

The change in temperature anomaly between 48,000 BC and 400 BC is C. -5.18 °C.

The rate of change per year in the temperature anomaly between 48,000 BC and 400 BC is B. 0.00011 *C/yr.

The change in CO2 concentration between 1901 and 2011 is B. 122.5 ppm.

Explanation:

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