Final answer:
In the sentence Twelve gallons of milk only produce one gallon of ice cream, gallons is a) Noun.
Step-by-step explanation:
In the given sentence "Twelve gallons of milk only produce one gallon of ice cream," the word "gallons" functions as a noun. It represents a unit of measurement for the quantity of milk involved in the process of making ice cream. As a noun, "gallons" identifies a specific amount and plays a substantive role in conveying the quantity of milk used in the context of ice cream production.
The identification of "gallons" as a noun is based on its syntactic and semantic role in the sentence. Nouns typically serve as subjects, objects, or modifiers and can represent people, places, things, or abstract concepts.
In this case, "gallons" denotes a measurable amount of a liquid, aligning with the characteristics of a noun. Recognizing the part of speech of words within a sentence is essential for understanding the structure and meaning of the sentence as a whole. In this instance, identifying "gallons" as a noun contributes to the clarity and comprehension of the statement about the milk-to-ice-cream ratio.