Answer:
Ethos.
Explanation:
Presentation can be defined as an act of talking or speaking formally to an audience in order to explain an idea, piece of work, project, and product with the aid of multimedia resources or samples.
Basically, any speaker who wish to create an effective presentation should endeavor to interact frequently with the audience by holding a conversation.
Ethos can be defined as the use of authority to significantly persuade or crave the indulgence of the audience to believe in a particular character. Thus, ethos simply means an appeal to ethics.
Hence, ethos gives the author credibility. It is important to build credibility with your audience because without it, readers are less inclined to trust you or accept the argument presented to them.
In order to be a changemaker you have to propose yourself to do it and accomplish it. It's a goal you set yourself and a mindset you must impose to yourself to accomplish. The way to challenge yourself is to start by doing little things. For example: "You want to run 3 miles", so, start by running just 3 blocks. By doing this everyday eventually you will run 3 miles.
Now, to change the world you have to fight constantly. For example: PETA is an organization that helps fight against animal cruelty. They always assist protest, go to the government to be heard and risk their lives for the sake of the animals. The members are also vegan, they know where the produce cones from and decide not to eat or wear anything animal. These steps make sure that at least some animals aren't eaten or being harmed.
Bosniak people that were killed by bosnian serbs, part of an ethnic cleansing
B is yours answer
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