Here's the video I showed in class to introduce you to the topic on Water Supply. You will realize as we go through this chapter that water supply of the world is facing constraints just like land supply. You will also realize that a lot of factors contributing to the high demand for water(mainly high population growth/numbers in the world) and constraints are similar to what we have studied in the chapter of land supply.
Similarly, just like how we devise ways to increase land supply, humans have also devised ways to increase water supply, either by increasing price of water, creating more water sources or conservation, very similar methods/strategies we have learnt in the chapter on land supply.
As you start preparing for your end of the year examinations, see how you can study smart and interlink these two chapters together.
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