Which belief was supported by Martin Luther? A. Giving a tithe to the church leads to the forgiveness of sin.

B. Part of being Protestant means believing in predestination.

C. Scripture alone is the source of authority and truth.

D. Sin has to be forgiven by the church before a person can go to heaven.​

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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