Namespaces cannot have namespaces as members.
true
false

False

Explanation:

namespaces can be nested. That is we can have a hierarchy of namespaces.

For examples suppose we have a namespace top. Within this we have another namespace first. At the next level we have a namespace called second. Then we have a class MyClass as a member of this namespace second. Then the complete description of the class will be as follows:

top::first::second::MyClass

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.

answer///radio frequency interference (rfi);