| http://www.w3.org/ns/prov#value | - Ms Evans has just asked Dr Roberts about the kind of temperatures that would have been needed to have produced the fragments.The colour of the fragments is an indication, not of the temperature per se but of the amount burning to the fragment.So when we burn bone it goes through a range of colour changes from yellow to black to blue-grey and eventually white and he is when all the organic matte
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