Question

Tina's curiosity is what makes him such a
keen learner.
what is abstract noun​

Answer 1

Answer:

Abstract nouns are nouns that express a quality or an idea such as integrity and honesty. These nouns are not capitalized unless they appear as the first word in a sentence or as a word in a title. Abstract nouns are replaced by gender-neutral pronouns, and these nouns can be used as a sentence's subject or object

Explanation:

Curiosity is the abstract noun