Not having the source material my guess is D
Answer:
peasant
Explanation:
A peasant is a pre-industrial agricultural laborer or farmer with limited land ownership, especially one living in the Middle Ages under feudalism and paying rent, tax, fees, or services to a landlord. In Europe, three classes of peasants existed which are slave, serf, and free tenant.
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Answer:
He lacks an understanding of the concept of conservation
Explanation:
Conservation refers to the ability to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size. Omar didn't know the the size of the bowl that was used to serve the pasta doesn't change the quantity of the pasta he will get, he lacks knowledge of the concept of conservation.