medium · GMAT Verbal
Environmental scientists have noted that while the introduction of synthetic fertilizers has significantly increased crop yields globally, the runoff from these chemicals into local waterways has led to severe oxygen depletion in aquatic ecosystems. To mitigate this environmental impact without compromising food security, some agricultural cooperatives are transitioning to precision-application technology. This technology uses sensors to apply fertilizer only where soil nutrient levels are low, rather than across entire fields. Thus, the widespread adoption of precision-application technology is likely to achieve both environmental and production goals because ________.
Which of the following most logically completes the passage?
- it reduces the total volume of chemicals entering the watershed while maintaining the necessary nutrient levels for optimal crop growth
- synthetic fertilizers are always more damaging to the environment than organic alternatives, regardless of how they are applied to the soil
- the cost of sensors has decreased so significantly that even the smallest family-owned farms can now afford to implement precision-application systems
- local waterways are the primary source of irrigation for the very crops that are currently being fertilized with synthetic chemicals
- farmers who refuse to adopt new technologies are likely to face increasing regulatory fines from environmental protection agencies
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