Over the past 50 years, six Nile Basin countries have built 25 hydroelectric dams.
The correct answer is housing
The answer is: waterfalls can usually be found wherever there is lots of erosion or where there is steepness in the river's channel.
East Pakistan changed its name to Bangladesh, and it still has this name today, as it's an independent country. Desh means land, and Bangla is the language of people living there.