Answer:
The first one is correct. The second one is a run-on sentence, like speaking without pausing at a comma to take a breath.
A random sample is a subset of individuals that are randomly selected from a population of interest. Because researchers usually cannot obtain data from every single person in a group due to time, costs and other constraints, a smaller portion is randomly chosen to represent the entire group as a whole. The goal is to get a sample that is representative of the larger population.
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.