Question #N699

The article discusses a new method for producing energy: solar farms. The farms are made of solar panels which can convert sunlight into electricity. The article states, "In addition to the sun’s rays, the farms are also dependent on the weather for efficiency."

Which of the following is the most effective way to revise the underlined portion of the sentence to create a more grammatically correct and concise sentence?
A. the farms are also dependent on the weather for efficiency.
B. the farms are also dependent on the weather’s efficiency.
C. the farms are also dependent on the weather, for efficiency.
D. in addition to the sun’s rays, the weather also determines their efficiency.