The word mangroves is a plural noun. The singular form is mangrove.
! It Is Salt!
spider mangrove red mangrove white mangrove black mangrove
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
SALT!
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.