Several angles of visual access for the supervisor, is the definition for: O a. supervised observations O b. visual sightings O c. open design O d. open sight linesA zone that describes the type of play behavior that children might engage in the given space and equipment that is present, is the definition for: O a. play zone 0 b. activity zone 0 c. use zone 0 d. safety zone According to your text, a seasonal or periodic inspection is performed how many times a year? Q a. 2-3 0 b. 3-4 O c. 1-2 0 d.4-5 The fall height below which a life-threatening head injury would not be expected to occur, is the definition for: O a. impact height 0 b. Surface attenuation O c. impact attenuation O d.critical height Which ONE of the following is not an acceptable surfacing material? C) a. rubber tiles 0 b.grass O c. wood chips 0 d.sand