You could google this it would help you alot all you need to do is get the list of the devices they have read the passage and find what fits best
here is a list of devices
http://examples.yourdictionary.com/examples-of-rhetorical-devices.html
23.44 degrees..............................
Blanched or airdried potatoes
<span>When evaluating sources for a compare-and-contrast paragraph, you can tell if a source’s argument is objective if it A. </span><span>appeals to logic and reason rather than emotion.
A source's argument is objective when it is not influenced by personal feelings or opinions. Objective arguments represent only the facts and not opinions.</span>
