In a drainage basin, the bifurcation ratio (BR) between the 2nd and 3rd stream orders is calculated as 4. If there are 12 streams in the 2nd order, how many streams are present in the 3rd order?
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In a drainage basin, the bifurcation ratio (BR) between the 2nd and 3rd stream orders is calculated as 4. If there are 12 streams in the 2nd order, how many streams are present in the 3rd order?