The han chinese are the source of many innovations. for example, the han developed paper, the seismometer, wheelbarrow, compass, and a ship steered by a rudder. which of the inventions listed do you think has had the most lasting importance, and why?

Which of the following are examples of limited resources on the part of consumers?

What is the orthodox interpretation of why the cold war started

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.