1. About how much of the Earth's water is freshwater that we can use for drinking?

	1 percent
	2 percent
	3 percent
	4 percent

2. How much water is used to brush your teeth?

	3 gallons
	1 gallon
	5 gallons
	4 gallons

3. Of all the water on Earth, how much can we use for drinking?

	1 percent
	2 percent
	3 percent
	4 percent

4. How long does it take water suppliers to treat one glass of water?

	45 minutes
	5 minutes
	3 hours
	25 minutes

5. About how much water does it take to wash a car at home?

	1 gallon
	50 gallons
	25 gallons
	100 gallons