The library is a good place to study because it is quiet. find the adjective

quiet

The adjective in the sentence is "quiet."

To find the adjective in the sentence "The library is a good place to study because it is quiet," you can follow these steps:

1. Identify the noun in the sentence: "library" and "place."
2. Determine the adjective by asking questions like "What kind of library?" or "What kind of place?" In this case, the answer is "good."
3. Confirm the adjective by testing if it can be replaced with other adjectives that convey a similar meaning. For example, you could replace "good" with "excellent," "fantastic," or "wonderful," and the sentence would still make sense.

Therefore, the adjective in the sentence is "good."