I'm not sure exactly what unit you're referring to, but three of the main factors that affect oil prices today would be natural disasters, futures trading, and global demand.
They were conquered by the Spanish.
I think it is D
Hope my answer help?
Answer:
a.) one legend says that long ago in greece, a blind poet, homer [etc.]
b.)some people believe that such a poet lived and that he composed [etc.]
Conservation of natural resources