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How much of the Earth's water can we use for drinking?
Posted by Scoil Bhríde Rathcormac, Ireland on 14 April 2015
Post related to Mission Dossier, Secret Water

Today we have been learning about how much of the Earth's water is accessible freshwater that we can use for drinking. To help us understand this we used the hundred square in our classroom. We imagined that the 100 square represented all the Earth's water. We learnt that boxes 1-97 represented the amount of Earth's water that is salt water (97%) and boxes 98 and 99 represented the amount of water that is frozen (2%). This left just one box  which showed the amount of the Earth's water that is accessible fresh water that we can use for drinking (1%). We were shocked that there was so little freshwater for so many people in the world,

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