Which of the following statements from the article presents relevant evidence for the argument that solar power is the best potential source of energy ? A. ”solar farms of photovoltaic cells produce current directly through solid-state chemical reactions.”

B. “Power plants also release 2/3 of sulfur oxides.”

C. ”The price of contracts for solar energy has dropped more than 63 percent.”

D. “Additionally, they account for 40 percent of underground freshwater draws.”