瀑布是一种非常壮美的自然景观,在地质学上,瀑布有个很形象的学名叫跌水,即河水在流经断层、凹陷地区时垂直地跌落。那么,瀑布是怎样形成的呢?科学家认为,形成瀑布的原因很多,主要原因是组成河床底部的岩石软硬程度不同。质地较软的岩石在被河水冲击侵蚀得非常严重时 Waterfall is a very magnificent natural landscape, geologically, the waterfall has a very image of the scientific name is falling water, that is, when the river flows through the fault, depression vertically fall. Well, what happened to the waterfall? Scientists believe that there are many reasons for the formation of a waterfall, mainly due to the different degrees of rock and softness that make up the bottom of the riverbed. The softer rocks were severely eroded by the impact of the river