Answer:
the word although is a conjuction
Step-by-step explanation:
adjective: a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it.
preposition: a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause, as in “the man on the platform,” “she arrived after dinner,” “what did you do it for ?”.
adverb: a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. (e.g., gently, quite, then, there ).
conjuction: a word used to connect clauses or sentences or to coordinate words in the same clause (e.g. and, but, if ).