Pls help i need this last question

What is the difference between rising and sinking ground?

Which of these innovations led to increased production in american factories in the early 1800s? a. the use of interchangeable parts b. the construction of canals c. the invention of the mechanical reaper d. the availability of electricity

1. suppose you're an attorney. in a case you're presenting to a federal court, you argue that the person you're defending suffered cruel and unusual punishment. which amendment of the constitution should you cite? a. amendment iv b. amendment viii c. amendment iii d. amendment ix

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.