What chemically changes due to heat?
A. Osteomalacia
B. Cholecalciferol
C. Pre-cholecalciferol
D. 7-dehydrocholesterol
E. Durmalcia
As the article states on lines 4-6, “pre-cholecalciferol undergoes a thermally induced rearrangement of its double bonds to form cholecalciferol.”