Answer:
Defend and challenge are pretty much the opposite of each other here. To defend an argument is to persuade others why the argument is sound. To challenge an argument means you are arguing against IT.
Explanation:
The answer is D i believe
it means exactly on time. not a second off
The public could be given less credible information, for it was given with an extra unnecessary emphasis. The caster could make the story seem more/less or a problem.
