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Which of the following words is considered a positive prefix?

  1. Dis-

  2. Non-

  3. Un-

  4. Pro-

The correct answer is: Pro-

The word considered a positive prefix is “Pro-.” This prefix signifies support, advocacy, or favor for something. For instance, in words like "proactive" or "proponent," it suggests a forward-thinking or supportive attitude toward an action, idea, or proposal. The other prefixes—"Dis-," "Non-," and "Un-"—generally convey a negative or opposite meaning. "Dis-" implies removal or negation, "Non-" indicates absence, and "Un-" suggests reversal or negation. Thus, "Pro-" stands out as the prefix that promotes a positive connotation, aligning with ideas of endorsement or enhancement.