Water ;-)

How many gallons of water are there on earth?

-366,000,000,000,000,000,000 gallons of water.

What percentage of earth's water is potable (safe for humans to drink)?

- only .007% is potable to drink.

How many people live on earth and how many do not have access to clean water?

- 7 Billion people live on earth

How many gallons of water does it take to make a hamburger? Why so much?

- It take 2,700 gallons of water to make a hamburger.

The citizens of what nation consume the most water per capita?

- The United States consumes about 161 gallons per day.