Is below an adverb or preposition?

Answer 1

The word below can be an adjective, adverb or preposition.

It is an adverb in the sentence:

"To see another example, look below."

It is a preposition in th sentence:

"The ship's keel is below the water."

Answer 2

"Below" can be both an adverb and a preposition. As an adverb, it describes the location of something in relation to another object or point. As a preposition, it indicates the position or location of something in relation to another object or point.