It is difficult to rely completely on renewable energy for our energy needs because
A. There is a disconnect between where renowable energy is abundant and the densely populated areas where they afe needed
B. Transportation of energy from where it is generatod to where it is needed is challenging
C. Current fechnologles that can store energy from a renewable resource for easy transport to whele they are neoded is inefificient
D. Options A and B above
E. Options A. B and C above