Yield signs are red, white, and triangular. An upside down triangle that is.
Conflict in literature refers to the different drives of the characters or forces involved. ... The literary purpose of conflict is to create tension in the story, making readers more interested by leaving them uncertain which of the characters or forces will prevail.
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I believe the answer is the last one.
Percy's "initiation" involves getting his head dunked in a toilet in the camp bathroom. The water comes shooting out at the others and Percy is left dry. you can infer that percy can control water