Fact 1: Treating water is used to remove harmful substances before drinking. Fact 2: Bottled water is often treated. Given the two facts above, what does bottled water have none of?

Pick from: a. energy barrier; b. cloudy and rainy weather; c. harmful substances; d. layers of fat; e. energy usage; f. Brutal temperatures; g. Heat energy; h. hard outer covering;
Answer:
c.