Derive a mathematical expression to calculate percentage of water absorbed by the soil. Consider the weight of the soil to be 50g. How can percolation of water solve problems of water scarcity?
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The absorption of water by different soil can be find out by taking 50g of different soil samples. The resulted amount of water is retained by the soil. Percentage of water absorbed = {(U-V)/50} X 100, 50g is the amount of water absorbed.
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the mathematical expression is -
n/t where, n is the amount of water and t is the time taken
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