Photosynthesis is a noun.
Factual is an adjective.
Itβs a noun
The cerebral cortex is responsible for speech thought and memory
The word empirically is an adverb.
A prepositional phrase.
As in verifiable truth - noun
True is an adjective since it describes a noun, like a true fact.
'Untrue' is an adjective because it describes something, such as 'That fact is untrue.'
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is beneath
The part of speech for "answer" is a noun.
The part of speech for "explicit" is an adjective.
The part of speech for "unfamiliar" is an adjective.
The part of speech for "indefinite" is an adjective.