Early pencil leads were made of solid graphite mined in Cumberland, in Britain. Modern methods of manufacturing pencil leads from powdered graphite are the result of research sponsored by the government of France in the 1790s, when France was at war with Britain and thus had no access to Cumberland graphite.
The information above most strongly supports which one of the following?
(A) The world’s only deposit of graphite suitablefor manufacture of pencils is in Cumberland,in Britain.
(B) In
...
The information above most strongly supports which one of the following?
(A) The world’s only deposit of graphite suitablefor manufacture of pencils is in Cumberland,in Britain.
(B) In
...
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