m77.    How is water used?

Water withdrawal is taking water from the source to a place of use. Water consumption is removing the water and not replacing it.

e02.   Where is life found in the water?

e18.    Does water recover from pollution?

e22.    What do we eat?  

g08.    What are the spheres that make up the earth?

g14.    How can global warming affect sea levels?

g17.    Is some matter more useful than other matter?

g25.    What are the properties of water? 

g26.    Where is drinkable water found?