Englisch Text über Erfindungen bitte korrigieren(Aufgabe 2)

Sind diese Sätze über die technischen Erfindungen in Englisch richtig?


In my opinion the telephone canged our lives th emost because it is easier to communicate with each other.
I believe that the Internet is one of the most important inventions of all time,because because you can even call worldwide for free and look up anything you want.
Furthermore ,I would like to add that the book printing is a great invention as it has always been the case.
Our lives would be completely different toda if we did not have electricity.One reason for this is that we didn`t have internet.
The reason why I would like to add the anaesthesia to my list of inventions that changed history is that peopla can be healed without pain.
In my view,the camera is also one of the greatest inventions of all time because
people can still look at family memories in some decades
I could never live without my bike. This invention is important to me because I get from a place a to b in a health way.
Die Sätze waren vom Buch über die Erfindungen zu vervollständigen