Question 4

How is a watercourse that has negligible alkalinity affected by a nearby large discharge of sulfur dioxide? One or more statements are true.

A: Alkalinity is unchanged.

B: The weathering of minerals quickly compensates for the acid attack so that the pH of the water is not affected noticeable.

C: pH decreases slightly but is largely stable.

D: Alkalinity increases. E: pH drops significantly.

F: The weathering of minerals quickly compensates for the acid shock so that the pH of the water is not noticeably affected