Use the image to answer the following question.
House of Wisdom in Baghdad, founded by Caliph al-Ma’mun
How did Islamic scholars contribute to the growth of scientific and mathematic knowledge?
A. They collected knowledge of the Muslim world, so others could study it.
B. They declared on war on Europe, so they could gain medical knowledge from Spain.
C.They kept knowledge in their libraries, so only Muslims would learn about it.
D. They stole the knowledge of the Romans and the Byzantine Empire, so they could gain more power.