The amount of coagulant needed for coagulation of water increases with_______________?_x005F_x000D_1) increase in turbidity of water_x005F_x000D_2) decrease in turbidity of water_x005F_x000D_3) increase in temperature of water_x005F_x000D_4) decrease in temperature of water_x005F_x000D_The correct answer is?

The amount of coagulant needed for coagulation of water increases with

1.	The amount of coagulant needed for coagulation of water increases with_______________?_x005F_x000D_1) increase in turbidity of water_x005F_x000D_2) decrease in turbidity of water_x005F_x000D_3) increase in temperature of water_x005F_x000D_4) decrease in temperature of water_x005F_x000D_The correct answer is?
A.	(1) and (2)
B.	(1)and (4)
C.	(2) and (3)
D.	(2) and (4)
Answer» C. (2) and (3)