Answer:
A complex sentence is made up of at least two independent clauses and 1 or more dependent clauses.
I can't really see number two...
Answer:
proper noun: Mary
Collective noun: a herd of buffalo
Common noun: prairie
Explanation:
They are far too general and could be applied to any piece of language.
They do not show enough thought process and are too ‘sure of themselves’.
They do not use any sophisticated vocabulary.
