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WATER shutterstock_2008709621-1200x700-compressed, mean, 1000_F_512726981…
WATER
CHEMICAL FORMULA
DISTRIBUTION ON EARTH
Fresh water 3%
Rivers and Lakes 1%
Underground 29%
Glaciers 70%
Ocean water 97%
1 Molecule of Water
H2 = 2 Atoms of Hydrogen
O = 1 Atom of Oxygen
WORLD WATER DAY
22nd March
WATER CYCLE
https://www.youtube.com/watch?v=y5gFI3pMvoI
Condensation
Precipitation
Evaporation
Collection
CHANGES OF STATE
https://www.youtube.com/watch?v=LTfHaWFhBBw
Evaporation
Freezing
Sublimation
Melting
Condensation
Deposition
HOW TO SAVE WATER
https://www.youtube.com/watch?v=nTcFXJT0Fsc
Average Daily Water Usage
https://www.amwua.org/uploads/1566506825075e96c.jpg
Average Formula
A calculated central value of a set of numbers
The sum of
n
different units divided by
n
numbers of the units
