Yes, they're the same thing.
No. The Internet is a global, physical network of millions of computers which can communicate by sending and receiving packets of data. The Internet supports many different communication protocols...
The internet is surely the same as the WORLD WIDE WEB as what you sayed
The World Wide Web, abbreviated as WWW or W3 and commonly known as the Web, is a system of interlinked hypertext documents accessed via theInternet.
No. Most of the Web is contained in the Internet, but not all, and the Internet is many things besides the Web.