Answer:
This excerpt mainly contains <u>metaphors.</u> Metaphors are comparisons of two things--example, fresh scent → sunny breeze--that are deemed alike in different aspects.
<em>note: metaphors never contain phrases such as, "like" or, "as" when comparing!</em>
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 ;)
Beer is normally high in calories, but some beer companies now male low-calorie beer.