Select the sentence containing a nonrestrictive clause. Remember, a clause has both a subject and verb.

The sky is blue, generally speaking.
The water is cold, but the sand is warm.
We, on the other hand, enjoy reading books.
The clown in the center, who is wearing overly large shoes, seems dazed.

byron utilizes literary techniques to emphisize the illustration of the woman in the poem “she walks in beauty”.

for instance, he uses alliteration to use repetitive consonant sounds when he is writing a word at the beginning of a phrase. he uses personification to give personality to a thing or action. he uses imagery when he is describing the woman. we also can find metaphors to better compare a moment.

these techniques add to the reader’s experience of beauty when the author describes the woman physical beauty and the purity of her mind, using imagery.  

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this isnt an english question.

the positive connotations of the words "pretty," "quiet," and "silence" give the excerpt a tone of nervousness. i think its this