Final answer:
Oil degradation and erosion in a region where many people are subsistence farmers can lead to food scarcity.
Step-by-step explanation:
Oil degradation and erosion in a region where many people are subsistence farmers can lead to food scarcity. When the land becomes degraded and eroded, it can negatively affect agricultural productivity, leading to a shortage of food. This is especially problematic for subsistence farmers who rely on their crops for their own consumption.
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