Which of the following statements about industry and production in the United States and Canada is false?
A The United States and Canada are the world's leading producers of hydroelectricity.
B. Smog has not affected Canada because Canada's overall climate is too cool for air pollution.
C. Canada is a world producer of agricultural products and seafoods.
D. Because of its wide variety of soil and climates, the United States is a leading producer of
agricultural products.