In which country is the Mardalsfossen located?

Which waterfall is located in the Krka National Park? Which of the following waterfalls is NOT located in South America? In which mountain range is the Angel Falls located? In which country is the Kaieteur Falls 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 name of the mountain range in which the Tugela Falls is located?