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, answer the question "Most people can survive only a few days without what?" with the following options: 
- h2o
 - urea
 - CO2
 - beds
 - houses
 - air
 - NaCl
 - H20


 

        H20 