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还记得1998年长江发生的特大洪灾吗?洪水发生其中一个重要原因就是长江中上游地区植被遭到破坏,水土流失了。黄河河水变黄,下游变成地上河也与水土流失有直接关系。让我们来做个实验验证一下吧!
Remember the extraordinary floods in the Yangtze River in 1998? One of the important reasons for the flood was the destruction of vegetation in the middle and upper reaches of the Yangtze River and soil erosion. Yellow River water turns yellow, the downstream into the ground river is also directly related to soil erosion. Let's do an experiment to verify it!