The type of evidence that Schlosser uses in this excerpt is anecdotal. By definition, anecdotal evidence is based on stories that may or may not be true but due to lack of hard facts. They are usually based on personal stories. In this case, there is no proof that things mentioned in the excerpt happened the way that they were described.
Answer: I think that the answer might be all of the above
By accurately placing highlights and shadows an artist can create the illusion of form. Chiaroscuro - An Italian word that means the arrangement of light and shadow. Today chiaroscuro is also called modeling or shading.
East Sussex England
hope that helps
Water, village, attend school, frighted