Question
Which of these advances did Han scientists make?
A. Created more accurate calendars
B. Device the base 20 number system
C. Develop the concept of zero
D. Created a process for the manufacture of paper
A. Created more accurate calendars
B. Device the base 20 number system
C. Develop the concept of zero
D. Created a process for the manufacture of paper
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Answered by
GPT 3.5
A. Created more accurate calendars
D. Created a process for the manufacture of paper
D. Created a process for the manufacture of paper
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