What is the name of the mountain range in which the Tugela Falls is located?

In which country is the Mardalsfossen located? What is the name of the river that feeds the Angel Falls? Which waterfall is known for its highest average flow rate? In which country is the Inga Falls located? What is the height of the Yosemite Falls? In which countries is the Iguazu Falls located? In which national park is the Sutherland Falls located? What is the name of the highest waterfall in South America?