One way that music could express emotion is simply through a learned association. Perhaps there is nothing naturally sad about a piece of music in minor key, or played slowly with low notes. Maybe we have just come to hear certain kinds of music as sad because we have learned to associate them in our culture with sad events like funerals. If this view is correct, we should have difficulty interp..
Mirrors and other smooth, shiny surfaces reflect light. We see reflections from such surfaces because the rays of light form an image on the retina of our eyes. (A) Keep your eyes on the reflected image while you are writing and not on your paper. After a little practice, it will be easier to write "backwards." When your friend receives such a message he will be able to read it by holding the pa..