Doubts
Where did water come from?
http://science.howstuffworks.com/environmental/earth/geophysics/water-come-from.htm
What Is Water Made Of ?
What would happen if you didn’t drink water?
How much water is there on earth?
How It's Made Drinking Water?
How to make water drinkable?
How to filtrate water?
How to make a water filter from a plastic bottle?
Can we drink Seawater?
Why Fish Can Drink Salt Water And We Can’t?
Where does sea salt come from?
How to make a Plastic bottle Solar distiller?
What Happens If All The World’s Ice Melts?
How does desalination work?
Could humans run on water?
What would Earth be like without the moon?
With the Moon no longer there, the oceans of the world become much calmer. The Sun still has an effect on them (known as solar tides), so surfers wouldn't be completely devoid of waves. But the oceans would largely become serene. ... The loss of the Moon directly affects the Earth's orbit, rotation and wobble.
How to save water?
What If You Stopped Drinking Water?
What If You Only Drank Soda?
More doubts?