Read the excerpt from "The Girl Who Silenced the World for Five Minutes."• You don't know how to fix the holes in our ozone layer.• You don't know how to bring salmon back up a dead stream.• You don't know how to bring back an animal now extinct.

The repeated phrase “You don't know how to” directly challenges the audience and emphasizes their failure to solve serious environmental problems. This creates a forceful tone, rather than a peaceful, helpful, or hopeful one.

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