1. Which word in the sentence is a singular noun? He walked across the hot sand as quickly as his feet would go.

The answer is sand because the sentence is full of plural noun and their is just on singularn noun. so the answer are sand!

Find the singular noun in the given sentence

=> He walked across the hot sand as quickly as his feet would go

First, let's define singular noun

Singular means single or only one.

Noun means a name, can be a person, a thing, or a place.

Thus, the singular noun in this sentence is the word "Sand" because we're talking about the Hot sand.

He walked across the Hot "Sand", hot is used to describe the word sand.