Final answer:
The main concern with CAFOs in agriculture is the contamination of waterways and land due to the large amounts of waste produced.
Explanation:
The primary concern associated with Concentrated Animal Feeding Operations (CAFOs) in agriculture is the contamination of waterways and land. These operations generate large amounts of biological waste that can pollute water and air, leading to environmental and health hazards. Additionally, the extensive use of antimicrobial drugs in CAFOs, not just for disease prevention but also for growth promotion, raises concerns about antibiotic resistance.
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