Options are: (a). electricity; (b). pressure; (c). air; (d). bacteria; (e). a pathogens; (f). toxins; (g). Chlorine; (h). Cooking;
Q: Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Chlorine is also used to treat water. Given the two facts above, what is also used to remove harmful substances from water before drinking?
A:
(g).