I need the entire sentence for context before I can answer the question. All of these options could be a subject, but you need to give context.
Answer:
It is all of the above!
Explanation:
"Adjectives are used to describe nouns, which means they can explain what kind of thing you have, how many things you have, or which thing you're talking about." Hope this helps!
The correct answer is definitely the historical method.
You should observe words and their usage as it developed throughout history.
Type 1 compound sentance with conjunction, because the sentances are connected with "so,"
Answer:
she has a pet dog hasn't she