The transition word which is not correctly used in the passage is moreover.
As you can see in this sentence (<span>Moreover the invention of television and digital media, such as the Internet, most ads appeared in newspapers, magazines, and the radio.), something is wrong - the sentence doesn't sound natural or grammatical. This is why that word is the one which is used incorrectly, whereas the other sentences are good.</span>
I don’t see the choices so sorry I can’t answer
An average person is an individual who live to achieve or amount to an average rate or amount (of anything he/she does) over a period of time (death).
