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Semelhante a DID YOU KNOW...? (20)
DID YOU KNOW...?
- 4. The water is a chemical substance
with a chemical formule: H2O
- 7. The existence of liquid water,and its gaseous and
solid forms are vital to the existence of life on the
earth as we know it
- 10. The Earth is the blue
planet because
it has got a lot of water
- 13. Fresh water is theFresh water is the
blood of our planetblood of our planet
- 22. Only 3% is fresh
water, and two-
thirds of that is
ice.