What is the cause of Niagara Falls?
访客5个月前
The formation of Niagara Falls is mainly attributed to the geological background and glaciation. During glacial periods, rocks and sand carried by glaciers impinge on river beds, forming canyons and laying the foundations for waterfalls. The water speeds up, the erosion increases, and the waterfall moves forward. Climatic conditions and human activities also have an impact on the formation and change of waterfalls....