What are the benefits of electric aircraft according to the text? I. Reduction of environmental degradation. II. Lower operational costs due to gr...

What are the benefits of electric aircraft according to the text?

I. Reduction of environmental degradation.
II. Lower operational costs due to greater fuel efficiency.
III. Possibility of designing lighter and more efficient aircraft.
IV. Greater range and speed compared to conventional aircraft.
V. Use of internal combustion engines.
a) I, II, III, and IV are correct.
b) I, II, and IV are correct.
c) II, III, and V are correct.
d) Only I is correct.
e) All statements are incorrect.