Why does injuring polyphemus anger poseidon

If the author of the gift of the magi had made the reader aware of the gifts that jim had purchased in the beginning of the story this would be an example of

How did the english teacher ponyboy? the outsiders

Which of the following is the definition of sufficient evidence? a. offering enough of the types and instances of support, often from other sources, to satisfy the audience b. credible evidence c. relevant evidence d. current evidence