What is the name of the waterfall on the Argentina-Brazil border?

What is the height of the Kegon Falls in Japan? In which country is the Tis Issat Waterfall located? In which US state is the Multnomah Falls located? What is the name of the waterfall on the border of Zambia and Zimbabwe? Which river feeds the highest waterfall in Africa? What is the height of the Huangguoshu Waterfall in China? Which waterfall is also known as 'Kerepakupai Merú'? What is the name of the highest waterfall in Norway?