Fact 1: Most people can survive only a few days without water. Fact 2: H20 Bottled water was generally consumed last year. Given the two facts above, most people can survive only a few days without what?

OPTIONS: a. h2o. b. urea. c. CO2. d. beds. e. houses. f. air. g. NaCl. h. H20.
The answer is:
h.