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There Is No Planet B

Here is a pie chart taken from Mike Berners-Lee’s book There is no Planet B.

a) Calculate angle x. (shown on graph in the fossil fuel section)

[2 marks]

b) The ratio of the percentages of manure and CH4 to methane and paddy fields to enteric emissions is 7:3:8. Complete the pie chart.

[3 marks]

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