Final answer:
Wheat was first used in agriculture about 12,000 years ago during the Neolithic Revolution. It was domesticated in the Fertile Crescent and gradually spread to different regions.
Step-by-step explanation:
Wheat was first used in agriculture about 12,000 years ago during the Neolithic Revolution, which marked the transition from hunting and gathering to settled farming communities. This shift occurred in the Fertile Crescent of the Middle East, where the wild ancestor of wheat, called einkorn, was domesticated by early humans. The cultivation of wheat spread gradually across different regions, leading to the development of various cultivated varieties.
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