Final answer:
Most agricultural operations in the United States now occur at a large scale, concentrated in a few geographic locations, and cultivate fewer varieties of each food crop.
Step-by-step explanation:
An important overall trend in the change of agricultural production and delivery in the United States in the past several decades is that most agricultural operations occur at a very large scale, concentrated in a few geographic locations and cultivating fewer varieties of each food crop. This trend can be attributed to the use of advanced agricultural technologies and practices that have allowed for more efficient and cost-effective production. By operating at a large scale, farmers are able to take advantage of economies of scale and streamline their processes.
Learn more about changes in agricultural production and delivery in the United States