Text A emphasizes that vertical farming minimizes agricultural land use and eliminates pesticide runoff.
Text B points out that vertical farms require massive electricity inputs for LED lighting, resulting in high carbon footprints where grids rely on fossil fuels.
Synthesizing both viewpoints, one can conclude that...

Answer and explanation

Correct answer: D. The net environmental benefit of vertical farming depends heavily on the cleanliness of the energy grid

  1. Step 1: Text A notes land and pesticide benefits; Text B highlights heavy electricity consumption and grid reliance. Step 2. Synthesizing both shows that overall sustainability hinges on clean electricity supplies. Answer: The net environmental benefit of vertical farming depends heavily on the cleanliness of the energy grid. Why not the others: Universal superiority ignores the energy constraints raised in Text B.

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