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Medieval China-JoseFelipeHernandez

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boyibetu's version from 2016-03-04 17:24

Section

Question Answer
What is gunpowder?Is a mixture of powers used in guns and explosives
What is a compass?This instrument,which uses the earth's magnetic field to show direction
What is Woodblock printingA form of a printing in which an entire page is carved into a block of wood
memorize