Which of the following statements is false?

Each identifier has a scope that determines where you can use it in your program, and we introduced the local and global scopes.

There are three primary namespaces$-$local, global and built$-$in$.$

All namespaces are dependent on one another. So$,$ the same identifier may appear in only one namespace.

Scopes are determined by namespaces, which associate identifiers with objects and are implemented "under the hood" as dictionaries.