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English, 19.01.2021 05:40 dondre54

Which statement best expresses the central idea of the excerpt?
James Jay was a spy for the Americans and had
knowledge of chemistry.
O James Jay's invisible ink system allowed
Washington to write secret messages.
James Jay believed secret messages that became
visible because of heat were not secure.
O James Jay's system required two chemicals for
writing and reading invisible ink messages.

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Which statement best expresses the central idea of the excerpt?
James Jay was a spy for the A...
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