Answer:
They do because they have access to vital information and sometimes they from the genuine messages form fake similar ones and get it doctored. The masses believes mostly on what the media put up and that is why a campaign again fake news and more on investigative journalism has been on going.
Answer:
1 . I have had lunch .
2. He has had lunch .
3. I had had lunch before you came.
Explanation:
This is one of the most confused about combinations as per my experience .I would firstly tell a bit of grammar part and then clarify with real day to day usage .
THE CONFUSION IF AT ALL COMES IS BECAUSE OF TWO DIFFERENT USAGES OF WORD “HAVE” . THEY LOOK AND SOUND LIKE SAME BUT PLEASE TREAT THEM DIFFERENTLY . So let's separate them like one of them is same like “ “AM,ARE,WILL,SHALL, “ the helping or auxiliary verbs ,and the second. “have “ is just like “ drive, eat, drink, watch” the main verb “ or I prefer to call “ Action”.