medium · Enhanced ACT english
An urban planner is discussing the benefits of 'vertical farming' in densely populated cities. [1] By growing crops in stacked layers within climate-controlled buildings, vertical farms can produce food year-round regardless of the weather. [2] These systems use 95% less water than traditional agriculture by recycling the moisture that plants release through transpiration. [3] Because they are located in the heart of the city, they also eliminate the need for long-distance transportation, reducing the overall carbon footprint of the food.
Which choice provides the most effective concluding sentence?
- Consequently, traditional farmers should consider moving their operations to the city to save on water costs.
- In short, water is a precious resource that must be conserved at all times in every part of the world.
- Ultimately, vertical farming provides a sustainable and efficient method for feeding growing urban populations.
- Therefore, climate control is the most expensive part of running any type of large-scale indoor facility.
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