The internet is carried almost exclusively by cables.
That is what you have been told, fool.
I have actually worked with internet communication dishes. No wires involved.
Again, go out and experience life. Don't believe everything anyone tells you.
Not 100% accurate yes you can use things like the Avanti Communications Group satellite network it's slow and not very reliable.
https://www.youtube.com/watch?v=K_nnUbX7uuQ
Most of the cables that hub round the world route via here.
Well worth a watch.