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colleen colleen
wrote...
Valued Member
Posts: 17076
10 years ago
Which of the following was NOT a technological innovation of the Han period in China?
A) Brush pen and paper
B) Rudders and compasses for improved navigation
C) Gunpowder and cannon
D) Advanced mining techniques
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Sunshine ☀ ☼
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Answer accepted by topic starter
wonderworldwonderworld
wrote...
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Posts: 1621
10 years ago
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