Answer:
Echidna is daring Percy to prove that he is indeed Poseidon’s son that he shares Poseidon’s bloodline, or family relationship.
Explanation:
Believe me this is an A answer. I was going through the same as you lol.
It’s meaning to have toxics in your body released the evidence prove
"When doing a persuasive speech you have to keep in mind that you want to convince the audience to believe in what you are telling them, or support your claim, in this case you are already biased by this desire, the key to persuade people is to know how to convince them, and you can do this easiyl with strong writting and a powerful delivery."
D :)
it usually depends on context but it’s the only one that makes sense here
