is "island" an adjective or a noun? is "six"an adjective or a noun? is "English" an adjective or a noun?

Question

in the sentence "australia is an island continent" is island an adjective or a noun? in the sentence "it is a federation of six states and two territories" is six an adjective or a noun? in the sentence "english is the primary language spoken on the continent" is English an adjective or a noun? in the sentence "the first european explorers in australia were dutch" is european an adjective or a noun? in the sentence "in 1770 captain james cook claimed it for the british" is british an adjective or a noun?

ALSO

in the sentence"this is the scariest part of the movie" is "this" the pronoun? also, there is no antecedent right?
in the sentence"can anyone place the piano here?" "anyone"is the pronoun? also, there isnt an antecedent right??

Answer 1

all the words can be used to describe, which is an adjective, or are a people, place or thing. The sentence determines which. Australia sentence=island is an adj., Federation sentence six=adjective, English=noun. European =adjective, British=noun.

ALSO:

This is the pronoun, antecedent=(scariest) part Anyone=pronoun, no antecedent

Answer 2

Island Adjective

Answer 3

all nouns and adjectives. it depens when u se them