Question of the day

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How many years separate the first year coal was Britain’s number one source of energy from the first year it was the number one source of energy in China?

A) 50 years.
B) 100 years.
C) 200 years.
D) 300 years.

I will provide the answer in a post in the next couple of days. But if anyone wants to provide educated or uneducated guesses, please do?

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One thought on “Question of the day

    donoughshanahan said:
    March 12, 2015 at 9:36 am

    Top of my head
    World biomass use peaked around the 1900. Coal was probably dominant in the UK before this (lets say 1870) and China after this (say 1920) so 50 years?
    If you gave the option of 0, that would be tempting.

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