Question

he climbed up on the hill adverb in this sentence​

Answer 1

Answer:

The adverb here is "up".

Explanation:

Though this looks like a preposition, the word "up" is actually modifying the verb "climb". It is telling us more about the action of "climbing". Hence, "up" is playing the role of an adverb in this sentence.

Answer 2

$\underline{\bf\purple{Answer}}$

✏ He climbed up on the hill.