What is the first name of the singer in the interactive Vienna State Opera video?

The people of mozambique and zimbabwe would be most likely to be affected by a change in flow of which of these rivers? a) congo b) niger c) nile d) zambezi

The economy of the united states is best described as

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications.you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)