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Water Supply & Demand

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Provider: Link: http://www.youtube.com/watch?v=3Ma59KFCU_g
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Description: Water availability is determined by location and demand. bout 2/3 of our water supplies goes to agriculture and food production. Two-thirds (2/3) of the water from the supply pitcher is poured into the "agriculture" container. Students then list other demands...drinking water, water for cleaning, etc. Students are then presented with other factors that will influence their supply and demand. An environmental factor, such as a drought, will mean that the affected part of the country will have an increased demand (water is distributed from the supply pitcher). A great increase in the human population in another part of the country will increase their demand as well (water is distributed from the supply pitcher).
When the supply pitcher is almost empty, the topic of water scarcity arises. Water scarcity occurs when the demand for water out paces the supply and causes water shortages.
Tags: water, bottle, drinking, cycle, supply
Category: Flag video Educational