What are the nouns in this sentence?

The spider is crawling up the door.

The nouns in this sentence are: spider, door.

The nouns in this sentence are "spider" and "door."

To determine the nouns in a sentence, you need to identify the words that represent people, animals, places, things, or ideas. In the given sentence, "The spider is crawling up the door," these are the nouns:

1. Spider: This represents the animal in the sentence.
2. Door: This represents a thing or an object.

To identify the nouns, you can start by finding the main subject of the sentence, which is "spider." Then, you can look for other words that act as objects or complements to the subject, such as "door." These words are also nouns.