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

	5 minutes
	12 hours
	1 hour
	45 minutes

2. About how much of all the water on Earth can we use for drinking, industry and other purposes?

	20 percent
	1 percent
	10 percent
	5 percent

3. The hydrologic cycle says that water is constantly in motion. Of every 100,000 gallons of water, how much is actually in motion?

	100,000 gallons
	100 gallons
	10 gallons
	5 gallons

4. What's the most amount of rain an area can receive annually to be considered a desert?

	15 inches
	10 inches
	20 inches
	5 inches

5. How much water does a garden hose use in 5 minutes?

	300 gallons
	5 gallons
	10 gallons
	50 gallons