Why does mrs frankweiler spy on the children while they are looking for the angel information

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? "

Science always prove or disprove their explanations by

Performer emphasizes a tone by playing it more loudly than the tones around it is called?