The final step in processing an online sales order is processing the customer's payment, as illustrated in the accompanying figure.

Which of the following statements is false?

a. You can use a color state list to define separate colors for when Buttons are ena-bled or disabled. b. Resource folder names that begin with raw contain resource files (such as audio clips) that are read into an app as streams of bytes. You use such resources to play sounds. c. Resource folder names that begin with xml contain XML files that do not fit into the other resource categories—often XML data files used by the app. d. All of the above are true.

The _____ schema design element declarations can only be used once.

A. Russian Doll B. Venetian Blind C. Flat Catalog D. Garden of Eden