Toxic is an adjective.
Biodegradable is an adjective. It describes materials that can be broken down by natural processes into non-toxic substances.
"Noxious" is an adjective. It is used to describe something that is harmful, poisonous, or very unpleasant. For example, it can refer to toxic substances or detrimental behaviors.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
a toxic mix of cocaine and herion cause him a stroke paralyzed his face and speech
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.