Water

Water is the most important things to live. That is why finding water on Mars was so important.
Water has 3 forms:

• Solid
• Liquid
• Gas

People can last 30 days with out eating but only 5 days with out drinking.
Almost 78% of our planet is composed of water and the rest is only land.
We have lots of drinking water but did you know that 98% of all water is salt water and 3% is drinking water.
If you were a giant and you put all water of the world in two giant size bottles all the water wold fit and a medium sized drop would be drinking.
Waters scientific name is H2O because it means:
2 atoms of hydrogen and one of oxygen.
Conclusion: there is air in water and their is water in air.
When air passes throw a bottle the particles of water that are inside get together and make those little drops of water
Water needs to be preserved and if not there wont be any water to drink and humans will be extinct.
When you flush the toilet, lots of water iswasted and that is not good at all.
Scientists believe that life started on water.
From the small bacterias, to the giant Blue Wale

water.http://img.timeinc.net/time/photoessay