Why were castrati used in baroque music?

What is the definition of aesthetics? a. the material or materials used by an artist to create artwork b. the branch of philosophy that deals with beauty and how it is expressed and appreciated c. the organization or arrangement of different elements within a work of art o d. the school of thought dedicated to examining the question, "what is art? "

What method can be used to move the camera when filming

What do the movies superbad, apocalypto, and dogville have in common 1. all shot on film 2. all shot on digital or hd