Ijust need some . i really don't understand.

how does a paragraph illustrate naturalism?

Naturalism is forces of nature around the character either acting as an obstacle or an advantage, in a paragraph naturalism can be illustrated by expressing forces of nature, for example; the snow begins to fall heavy with gusts hitting my face like getting slapped by a book
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Naturalism can be express their feelings 

Where is the excerpt? it’s not attached