to a great extent or degree; greatly; far; much heavier; nearly, approximately, or about
Ex.: to talk too much & This is much like the others
great in quantity, measure, or degree
Ex.: too much cake.
It is an adverb.
'Much' can be a noun, an adjective or an adverb, but not a verb.'Much has been said about the problem, but little done.' (Noun)'Much nonsense has been talked about the problem.' (Adjective)'It would...
yes it is because it is saying how big something is
Are is the present tense plural form of be verb. am / is / are I am tired and hungry. He is tired and hungry. They are tired and hungry.
adverb describes a freakin verb