Answer:All of these answers are correct.
Explanation:
Is the evidence from objective sources?
When someone has decided to deliver a speech or an argument on a claim before they can deliver their speech they need to gather factual information on the subject that will depict unbiased information ; this is part of critical thinking .
They also have to use credible sources that can give them valid and reliable information which will give credible evidence to their claim.
Is the evidence relevant to the speaker's claims?
One can deliver the evidence however if it doesn't support the claim that they have presented than that information is not enough to substantiate their claim .
Is the evidence consistent with the speaker's delivery?
The gather evidence need to be consistent throughout the speech one can not present evidence that contradict each other .
When evidence start to be inconsistent audience may start to think that they may not be truth in the message that one is trying to convey.