PLEASE HELP!
Select the correct answer from the choices listed in the drop-down menu below.
_______ could be classified as not mainly mathematical?
are accomplishments from Islam's Golden Age that
A. The works of Ibn Khaldun
B. The refinement of Arabic numerals and the study of algebra
C. The study of eclipses and the calculations of Earths circumference
D. The development of navigational devices such as the astrolabe and the sextant