Respuesta :

yes the ocean is a thing which makes it a noun this is the definition

a very large expanse of sea, in particular, each of the main areas into which the sea is divided geographically:

easy way to test a noun or not
if you can eat it or explode it or do something to it

exaple
is eat a noun
can you burn an eat?
no
it's not a nown


ocean
can you eat it
kinda
can you do something to it
yes so it's a noun