Identify the term that best describes the word what.

“What on Earth is causing all the excitement today?” he wondered.
(1 point)
Responses

proper adjective
proper adjective

indefinite adjective
indefinite adjective

interrogative adjective
interrogative adjective

demonstrative adjective

The term that best describes the word "what" in the given sentence is interrogative adjective.

To identify this, we need to understand the different types of adjectives and their functions.

1. Proper adjective: These adjectives are derived from proper nouns and are used to describe specific people, places, or things. Example: "American" in "American flag."

2. Indefinite adjective: These adjectives are used to give a non-specific or vague description of a person, place, or thing. Example: "Some" in "Some people."

3. Demonstrative adjective: These adjectives are used to point out or identify specific people, places, or things. Example: "This" in "This house."

4. Interrogative adjective: These adjectives are used to ask questions and are placed before a noun to seek specific information. Example: "What" in "What time is it?"

In the given sentence, the word "what" is used before the noun "causing" to ask a question about the specific cause of excitement. Therefore, it functions as an interrogative adjective.