80% of the earth’s water is surface water. The other 20% is either ground water or atmospheric water vapour. Read more
80% of the earth’s water is surface water. The other 20% is either ground water or atmospheric water vapour. Read more
Water is the only substance that is found naturally on earth in three forms: liquid, gas and solid. Read more
In a 100-year period, a water molecule spends 98 years in the ocean, 20 months as ice, about 2 weeks in lakes and rivers, and less than a week in the atmosphere. Read more