A ____ is a predefined toggle selection object in a form.

Class WebClient’s ________ method starts a new Task in a separate thread and uses the URL specified as the method’s string argument to request information from a web server.

a) RequestWebStringAsync b) QueryWebStringAsync c) StartTaskStringAsync d) DownloadStringTaskAsync

?Identify the option that defines how positions are measured on the background in the following background property: background: color url(url) position / size repeat attachment origin clip;

A. ?size B. ?origin C. ?clip D. ?attachment