It is widely believed that the most environmentally sensible thing to do is to buy food from local farmers whenever it is available. But the distance that food travels turns out to be only a small part of its environmental impact. Certain foods can be produced with far less impact in some food that is not produced locally, rather than buy locally produced food.
What this question is testing
Your task
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Common trap
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Winning move
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
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