What does parousia mean?

Please need help! ​

Which techniques best describe the tone the author is using in this passage?

Which of the following is a compound complex sentence

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech