Question

Which of the following is the largest disadvantage of wind power?

A : Wind machines disrupt the migration patterns of birds.
B : Wind machines release harmful chemicals and toxins.
C : Wind machines only generate electricity when wind is blowing
D : Wind machines destroy the natural beauty of the environment.

Answer 1

The answer is C. Wind machines only generate electricity when wind is blowing.

Answer 2

The answer is     C.wind machines only generate electricity when wind is blowing