Two-thirds of the Earth’s surface is covered by water. How much of it is fresh?
How long can a human survive without water?
People in Sub-Saharan Africa use as much water in a day as someone in a developing country does while:
Toilets account for how much of the water used in the home?
How much of the 1600 million litres of water used in Sydney every day becomes wastewater?
How much water does it take to produce one kilogram of meat?
How much water does it take to make a pair of pantyhose?
Water flowing in a stream or river is always safe for drinking.
Water is the only substance that exists naturally on Earth in the solid, liquid and gaseous states.
All spring water is potable (good to drink).
Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map