The potential consequences of a long drought on agricultural activities in Montana, Iowa, and Oklahoma would primarily involve:
Decrease in water availability and crop production: Drought leads to reduced water resources, which are essential for crop irrigation. This can result in lower crop yields, decreased agricultural productivity, and potential economic losses for farmers. The inability to irrigate crops effectively can lead to drought stress, reduced growth, and ultimately, crop failure.
The other options mentioned are less likely to occur as direct consequences of prolonged drought. Specifically:
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Increase in crop yields due to excessive sun exposure: While some plants may benefit from increased sunlight, drought generally negatively impacts crop health and yields due to water scarcity.
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Increase in the cost of interstate transportation of seeds: Drought would likely not directly affect seed transportation costs; rather, it could influence the overall supply chain in agriculture.
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Decrease in irrigation demand and an improvement in water management: While drought may lead to more careful water management practices, the demand for irrigation typically increases during drought conditions as farmers seek to maintain crop health.
In summary, the most significant consequence would be the decrease in water availability and crop production.