Question 21 In the client-server model of web database application development, what is generally true to say? a A database server calls queries to process in the client web browser, which then communicates with a server O b.A web browser makes requests to a web server which then communicates to a database server O c. A web server sends a request to obtain the web browser application to connect to a database server O d A database server makes a request to a web server, which then makes a request to a browser application