The word 'above' is both an adverb and a preposition. In the phrase 'above her head', the word is a preposition; the noun 'head' is the object of the preposition.
head-on is an adjective
It is an adverb phrase (tells where).
Adverb Phrase
As an adjective: We were planing to install an aboveground pool.As an adverb: To use the instructions described above you will need both a flat head and a Phillips head screwdriver.As a preposition: A row of jars above the stove contained her secret ingredients.
None of the above. It is a noun (unplanned occurrence).The related adjective is accidental, and the adverb is accidentally. There is no verb form.
It can be either. As a preposition, it names an object or state it is above. It can also be an adjective (the line above).
Dark can be an adjective or a noun. Darkly is an adverb.
Night: noun an: adverb adjective: adjective noun: noun adverb: adverb
adverb phrase
None of the above. Ignorance is a noun. So is irony.
Adverb.Here is an adverb, not an adjective.
An adverb describes a verb, an adjective or another adverb.