Purpose=The reason for writing a text
Audience=The intended readers of a text
Tone=The attitude the writer expresses
Style=The writers way of using language
Answer: if it had not been for the life boat
Answer:
Example of dependent clause:
I'm not tidying the dishes unless Sarah helps.
Unless Sarah helps is your dependent clause because can't stand alone as sentences.
Answer:
It would be blocking out the sun??????
Explanation:
He set a giant boulder at the mouth of the cave.