Appeal to emotion. He's trying to manipulate people's emotions by saying things like ""deserves the love and thanks" which is very positive. Who wouldn't want to be loved and thanked by others? I think he's trying to say that if you fight, you will be honored.
Appeal to ethics is when the writer tries to convince the reader that he is knowledgeable about the subject like if he said, "As a doctor...." But he doesn't refer to himself in this passage.
Appeal to logic would be using facts, reasoning, evidence, and stuff, but I don't see a lot of facts here.
Appeal to authority would be him saying that because another person said something, it must be true. But he doesn't refer to anyone else here.
The most credible source in terms of researching the effects of smoking is letter b, research article in a scientific journal. It is because a credible source means that it is valid or could be relied on in which the research article is, because it has been researched and holds validity of which contains proof. Other choices does not correspond to the question for they don't hold any validity or proof in the topic that could be reliable.
5 lines and a syllable count of 5, 7, 5, 7, 7
One can use allusion to achieve a well-rounded feel to their essay. You can reference to a multitude of other works to give your essay a more complex meaning.
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I might need more context to this question. However, if you're referring to easier ways to compare sources with mental tasks, I would say to underline key words, bold / slanted words and / or look for short definitions at the bottom of your reading.
Usually reading over your notes should help. The answer you're looking for is in plain sight. I promise.
Hope this helps!
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