Which part of speech is the underlined word?

at dusk, they walked quietly along the railroad tracks.

a.
adjective

b.
adverb

c.
verb

d.
noun
railroad is underlined

answer: ,nnn

explanation:

osaka, a gorgeous place to live, extraordinary sights, and a wonderful place to visit for vacation. watching nature change there it is a lovely experience i would like.

explanation:

i ain't gonna write your whole essay for you at least you have a starter

sorry i ain't gonna do the whole assignment for your class or whatever

cause they were to dumb to get their college education to become a real   : )

i think continuous as the stars that shine and twinkle on the milky way, they

stretched in never-ending line along the margin of a bay; ten thousand saw

i at glance, tossing their heads in sprightly dance.