Which waterfall is known for its highest average flow rate?

In which mountain range is the Angel Falls located? In which country is the Kaieteur Falls located? In which country is the Mardalsfossen located? What is the name of the river that feeds the Angel Falls? In which country is the Inga Falls located? What is the name of the mountain range in which the Tugela Falls is located? What is the height of the Yosemite Falls? In which countries is the Iguazu Falls located?