if in the earth there is always the same amount of water and it follows the same way, why must we...
Post on 12-Sep-2014
129 views
DESCRIPTION
TRANSCRIPT
Presentacin de PowerPoint
IF IN THE EARTH THERE IS ALWAYS THE SAME AMOUNT OF WATER AND IT FOLLOWS THE SAME WAY, WHY MUST WE SAVE IT?
Nil PalomGouro DiallJoan CollLaura MontanyTHE WATER IN THE EARTH:Saltwater: 97% ------ Oceans, seas...Freshwater: 3% ------ Rivers, underground water.
HOW MUCH WATER CAN WE USE?In the world there is a 3% of freshwater.3%79% Ice20%
Underground water1%
Healthy water
INVESTIGATION !!!
THERE IS AN UNDERGROUND FLOW:
WE LOSE A LOT OF WATER:POLLUTION:
THATS WHY:
THE UNDERGROUND FLOW:
In these pictures well show you the underground flow.
POLLUTION:
The humans pollute a lot.
WE LOSE A LOT OF WATER:
Lets imagine: if everybody let the tap opened, we waste 4.618.471,464 litres.
THE END