Which of the following statements is true?
 a Water resources in the United States and
 Canada are very limited
 b. Water resources in the United States and
 Canada are polluted.
 C Water resources in the United States and
 Canada are used to produce energy
 d Water resources in the United States and
 Canada cannot be used for energy.
 Please select the best answer from the choices provided
 Ο Α
 B
 С
 D