Answer:
Non-repudiation is the assurance that someone cannot deny the validity of something. Non-repudiation is a legal concept that is widely used in information security and refers to a service, which provides proof of the origin of data and the integrity of the data
Explanation:
The first phone was made in 1854 by <span>Antonio Meucci.
Other inventors like </span>Johann Philipp Reis, <span>Alexander Graham Bell, Elisha Gray, and Thomas Edison reinvented the telephone or enhanced it.</span>
It has to be two people answering.Then vote braniest to who's answer you think is better.
