There are actually three terms: Ethos, pathos and logos. Each use different methods to capture the attention of your reader and persuade them into doing something by using emotional support or raw facts, depending on what method is used.
Either a cake nor cookies are to be served
Using 1000 plants, each for an individual barrel. The plant that was poisoned will die within thirty days, that way the people will not die. Personally I don't see what's so bad about using 1000 humans as text subjected though ;)
