Question

Which of these advances did Han scientists make? Select all that apply. (1 point) Responses created more accurate calendars created more accurate calendars devised the base-20 number system devised the base-20 number system developed the concept of zero developed the concept of zero created a process for the manufacture of paper

Answer 1

The advances that Han scientists made include:

• created more accurate calendars
• created a process for the manufacture of paper

The base-20 number system and the concept of zero were not developed by Han scientists; these concepts were attributed to other civilizations.