Answer :
The similie which decribes here as the sun is generally bright but its evening time when sun is setting down so, here the comparision of the sunset is done with the dim light.
Similie basically gives a characteristic of sky as the colour of sky is floroscent in the time of sunset so it is basically compared with the nickel .
A simile is a figure of speech that compares two things. Similes differ from other metaphors by highlighting the similarities between two things using comparison words such as in this line the sun is compared with the dim light and sky is compared with nickel.
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https://brainly.com/question/2115364