Countries divide natural gas into reserves (the amount economically extractable at current prices) and resources (the amount technically extractable if the price is high enough). Reserves and resources are given in the table below in trillion cubic metres for selected countries as available (“n/a” means not available):

a) Compare resources among countries using an appropriate chart.

b) Compare reserves among countries using a different type of chart.

c) Kanika used a bar chart for both comparisons. What ethical issue, if any, does this raise? (See ASA Ethical Guidelines in Appendix C.)

d) Maryam used a pie chart for both comparisons. What ethical issue, if any, does this raise? (See ASA Ethical Guidelines in Appendix C.)

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Resources Reserves Australia 3.1 11.6 Canada 1.8 11.0 China 3.0 35.1 0.2 Poland 5.3 n/a Qatar 25.8 Russia 47.5 n/a 24.4 United States 7.7 World Total 187.1 n/a