Help! "Sometimes I think evil is a tangible thing- with wavelengths, such as sound and light have."

Is this quote a simile, metaphor, or personification? With that, what effect does it create?
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Proofread the following sentence and correct the spelling and grammar errors. there are two errors. go through reception and turned right at the l entrance.

Hey guys! i've got an exercise where you've to find out the correct sentence in each pair. 1) a-we were tired and thirsty, so we stopped to have a drink at the cafè. b-we were tired and thirsty, so we stopped having a drink at the cafè. 2)a-if your computer freezes, try to turn it on and off again and see if that . b-if you computer freezes try turning it on and off again and see if that . me! it's urgent!

Consider the role of dr. kenny in the novel. how does rukmani feel about him, and what theme is represented by their interactions? respond in at least 150 words.