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Hope this helps at least a bit.
Answer:
The author's purpose is to persuade.
Explanation:
We know this because it states "urging young athletes not to use steroids." This is persuasive, as a persuasive tone always seems to convince or plead the audience to do/not to do something. In this case, it is not using steroids.
prob cause they have to go to the bathroom or they gonna do The nasty