Answer:
In HTML file
<body style="background-color:orange;">
Or
In CSS file
body {
background-color: orange;
}
Application I think because software used to create a program is called application software I'm not entirely sure about that though
You open a new tab for word then close a other document
Usually a LAN (Local Area Network), but it's not a requirement. A WAN (Wide Area Network) would need to be used in a multi-campus setup.
