Directions: Select the choice that best fits each statement. The following questions(s) refer to a pond in southern Canada. In 1950 the pH of the pond water was 8.2, but by 2000 the pH had decreased to 5.2. An effective short-term remediation strategy for the pond would be to build taller smokestacks downwind from the pond A prevent fertilizer runoff from entering the pond B periodically stock the pond with brown trout C add calcium carbonate to the pond water D use tertiary wastewater-treatment protocols